Home / 52,479.85-72,419.47-29,815.70

Finding the Fourth Proportional to 52,479.85, 72,419.47 and 29,815.70

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Solution

The fourth proportional to 52,479.85, 72,419.47 and 29,815.70 is: 41,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.85 : 72,419.47 = 29,815.70 : x
  2. Step 2: Convert to fraction form
    52,479.85/72,419.47 = 29,815.70/x
  3. Step 3: Cross multiply
    52,479.85x = 72,419.47 × 29,815.70
  4. Step 4: Simplify right side
    52,479.85x = 2,159,236,997.67
  5. Step 5: Solve for x
    x = 2,159,236,997.67/52,479.85
  6. Step 6: Final answer
    x = 41,144.11

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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.