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Finding the Fourth Proportional to 39,343.08, 59,013.54 and 11,641.08

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Solution

The fourth proportional to 39,343.08, 59,013.54 and 11,641.08 is: 17,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.08 : 59,013.54 = 11,641.08 : x
  2. Step 2: Convert to fraction form
    39,343.08/59,013.54 = 11,641.08/x
  3. Step 3: Cross multiply
    39,343.08x = 59,013.54 × 11,641.08
  4. Step 4: Simplify right side
    39,343.08x = 686,981,340.22
  5. Step 5: Solve for x
    x = 686,981,340.22/39,343.08
  6. Step 6: Final answer
    x = 17,461.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.