Home / 32,792.23-45,249.26-20,688.15

Finding the Fourth Proportional to 32,792.23, 45,249.26 and 20,688.15

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Solution

The fourth proportional to 32,792.23, 45,249.26 and 20,688.15 is: 28,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,792.23 : 45,249.26 = 20,688.15 : x
  2. Step 2: Convert to fraction form
    32,792.23/45,249.26 = 20,688.15/x
  3. Step 3: Cross multiply
    32,792.23x = 45,249.26 × 20,688.15
  4. Step 4: Simplify right side
    32,792.23x = 936,123,148.58
  5. Step 5: Solve for x
    x = 936,123,148.58/32,792.23
  6. Step 6: Final answer
    x = 28,547.10

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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.