Home / 51,690.71-77,538.04-16,155.30

Finding the Fourth Proportional to 51,690.71, 77,538.04 and 16,155.30

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Solution

The fourth proportional to 51,690.71, 77,538.04 and 16,155.30 is: 24,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,690.71 : 77,538.04 = 16,155.30 : x
  2. Step 2: Convert to fraction form
    51,690.71/77,538.04 = 16,155.30/x
  3. Step 3: Cross multiply
    51,690.71x = 77,538.04 × 16,155.30
  4. Step 4: Simplify right side
    51,690.71x = 1,252,650,638.86
  5. Step 5: Solve for x
    x = 1,252,650,638.86/51,690.71
  6. Step 6: Final answer
    x = 24,233.57

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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.