Home / 51,539.86-77,308.80-16,479.52

Finding the Fourth Proportional to 51,539.86, 77,308.80 and 16,479.52

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Solution

The fourth proportional to 51,539.86, 77,308.80 and 16,479.52 is: 24,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.86 : 77,308.80 = 16,479.52 : x
  2. Step 2: Convert to fraction form
    51,539.86/77,308.80 = 16,479.52/x
  3. Step 3: Cross multiply
    51,539.86x = 77,308.80 × 16,479.52
  4. Step 4: Simplify right side
    51,539.86x = 1,274,011,915.78
  5. Step 5: Solve for x
    x = 1,274,011,915.78/51,539.86
  6. Step 6: Final answer
    x = 24,718.96

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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.