Home / 39,798.78-59,677.61-11,715.18

Finding the Fourth Proportional to 39,798.78, 59,677.61 and 11,715.18

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Solution

The fourth proportional to 39,798.78, 59,677.61 and 11,715.18 is: 17,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,798.78 : 59,677.61 = 11,715.18 : x
  2. Step 2: Convert to fraction form
    39,798.78/59,677.61 = 11,715.18/x
  3. Step 3: Cross multiply
    39,798.78x = 59,677.61 × 11,715.18
  4. Step 4: Simplify right side
    39,798.78x = 699,134,062.34
  5. Step 5: Solve for x
    x = 699,134,062.34/39,798.78
  6. Step 6: Final answer
    x = 17,566.72

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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.