Home / 51,539.13-77,307.66-16,478.78

Finding the Fourth Proportional to 51,539.13, 77,307.66 and 16,478.78

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Solution

The fourth proportional to 51,539.13, 77,307.66 and 16,478.78 is: 24,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.13 : 77,307.66 = 16,478.78 : x
  2. Step 2: Convert to fraction form
    51,539.13/77,307.66 = 16,478.78/x
  3. Step 3: Cross multiply
    51,539.13x = 77,307.66 × 16,478.78
  4. Step 4: Simplify right side
    51,539.13x = 1,273,935,534.92
  5. Step 5: Solve for x
    x = 1,273,935,534.92/51,539.13
  6. Step 6: Final answer
    x = 24,717.83

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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.