Home / 30,139.88-41,593.08-16,711.28

Finding the Fourth Proportional to 30,139.88, 41,593.08 and 16,711.28

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Solution

The fourth proportional to 30,139.88, 41,593.08 and 16,711.28 is: 23,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.88 : 41,593.08 = 16,711.28 : x
  2. Step 2: Convert to fraction form
    30,139.88/41,593.08 = 16,711.28/x
  3. Step 3: Cross multiply
    30,139.88x = 41,593.08 × 16,711.28
  4. Step 4: Simplify right side
    30,139.88x = 695,073,605.94
  5. Step 5: Solve for x
    x = 695,073,605.94/30,139.88
  6. Step 6: Final answer
    x = 23,061.59

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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.