Home / 42,419.70-63,629.55-29,913.30

Finding the Fourth Proportional to 42,419.70, 63,629.55 and 29,913.30

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Solution

The fourth proportional to 42,419.70, 63,629.55 and 29,913.30 is: 44,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,419.70 : 63,629.55 = 29,913.30 : x
  2. Step 2: Convert to fraction form
    42,419.70/63,629.55 = 29,913.30/x
  3. Step 3: Cross multiply
    42,419.70x = 63,629.55 × 29,913.30
  4. Step 4: Simplify right side
    42,419.70x = 1,903,369,818.02
  5. Step 5: Solve for x
    x = 1,903,369,818.02/42,419.70
  6. Step 6: Final answer
    x = 44,869.95

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Similar ratio
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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.