Home / 47,446.48-71,123.64-19,752.40

Finding the Fourth Proportional to 47,446.48, 71,123.64 and 19,752.40

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Solution

The fourth proportional to 47,446.48, 71,123.64 and 19,752.40 is: 29,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,446.48 : 71,123.64 = 19,752.40 : x
  2. Step 2: Convert to fraction form
    47,446.48/71,123.64 = 19,752.40/x
  3. Step 3: Cross multiply
    47,446.48x = 71,123.64 × 19,752.40
  4. Step 4: Simplify right side
    47,446.48x = 1,404,862,586.74
  5. Step 5: Solve for x
    x = 1,404,862,586.74/47,446.48
  6. Step 6: Final answer
    x = 29,609.42

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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.