Home / 49,484.31-74,229.98-19,902.30

Finding the Fourth Proportional to 49,484.31, 74,229.98 and 19,902.30

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Solution

The fourth proportional to 49,484.31, 74,229.98 and 19,902.30 is: 29,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,484.31 : 74,229.98 = 19,902.30 : x
  2. Step 2: Convert to fraction form
    49,484.31/74,229.98 = 19,902.30/x
  3. Step 3: Cross multiply
    49,484.31x = 74,229.98 × 19,902.30
  4. Step 4: Simplify right side
    49,484.31x = 1,477,347,231.44
  5. Step 5: Solve for x
    x = 1,477,347,231.44/49,484.31
  6. Step 6: Final answer
    x = 29,854.86

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1.5x scale

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.