Home / 32,639.90-45,034.99-19,210.10

Finding the Fourth Proportional to 32,639.90, 45,034.99 and 19,210.10

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Solution

The fourth proportional to 32,639.90, 45,034.99 and 19,210.10 is: 26,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.90 : 45,034.99 = 19,210.10 : x
  2. Step 2: Convert to fraction form
    32,639.90/45,034.99 = 19,210.10/x
  3. Step 3: Cross multiply
    32,639.90x = 45,034.99 × 19,210.10
  4. Step 4: Simplify right side
    32,639.90x = 865,126,388.20
  5. Step 5: Solve for x
    x = 865,126,388.20/32,639.90
  6. Step 6: Final answer
    x = 26,505.18

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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.