Home / 39,952.70-59,929.09-13,657.66

Finding the Fourth Proportional to 39,952.70, 59,929.09 and 13,657.66

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Solution

The fourth proportional to 39,952.70, 59,929.09 and 13,657.66 is: 20,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,952.70 : 59,929.09 = 13,657.66 : x
  2. Step 2: Convert to fraction form
    39,952.70/59,929.09 = 13,657.66/x
  3. Step 3: Cross multiply
    39,952.70x = 59,929.09 × 13,657.66
  4. Step 4: Simplify right side
    39,952.70x = 818,491,135.33
  5. Step 5: Solve for x
    x = 818,491,135.33/39,952.70
  6. Step 6: Final answer
    x = 20,486.50

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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.