Home / 52,660.70-72,673.16-31,452.20

Finding the Fourth Proportional to 52,660.70, 72,673.16 and 31,452.20

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Solution

The fourth proportional to 52,660.70, 72,673.16 and 31,452.20 is: 43,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,660.70 : 72,673.16 = 31,452.20 : x
  2. Step 2: Convert to fraction form
    52,660.70/72,673.16 = 31,452.20/x
  3. Step 3: Cross multiply
    52,660.70x = 72,673.16 × 31,452.20
  4. Step 4: Simplify right side
    52,660.70x = 2,285,730,762.95
  5. Step 5: Solve for x
    x = 2,285,730,762.95/52,660.70
  6. Step 6: Final answer
    x = 43,404.87

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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.