Home / 32,792.38-45,249.45-20,688.29

Finding the Fourth Proportional to 32,792.38, 45,249.45 and 20,688.29

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Solution

The fourth proportional to 32,792.38, 45,249.45 and 20,688.29 is: 28,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,792.38 : 45,249.45 = 20,688.29 : x
  2. Step 2: Convert to fraction form
    32,792.38/45,249.45 = 20,688.29/x
  3. Step 3: Cross multiply
    32,792.38x = 45,249.45 × 20,688.29
  4. Step 4: Simplify right side
    32,792.38x = 936,133,857.06
  5. Step 5: Solve for x
    x = 936,133,857.06/32,792.38
  6. Step 6: Final answer
    x = 28,547.30

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Half scale
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Double scale
Find fourth proportional to 32,793.38, 45,250.83 and 20,689.29
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.