Home / 52,889.76-79,333.32-12,909.02

Finding the Fourth Proportional to 52,889.76, 79,333.32 and 12,909.02

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Solution

The fourth proportional to 52,889.76, 79,333.32 and 12,909.02 is: 19,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,889.76 : 79,333.32 = 12,909.02 : x
  2. Step 2: Convert to fraction form
    52,889.76/79,333.32 = 12,909.02/x
  3. Step 3: Cross multiply
    52,889.76x = 79,333.32 × 12,909.02
  4. Step 4: Simplify right side
    52,889.76x = 1,024,115,414.55
  5. Step 5: Solve for x
    x = 1,024,115,414.55/52,889.76
  6. Step 6: Final answer
    x = 19,363.21

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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.