Home / 52,512.92-72,466.08-31,281.20

Finding the Fourth Proportional to 52,512.92, 72,466.08 and 31,281.20

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Solution

The fourth proportional to 52,512.92, 72,466.08 and 31,281.20 is: 43,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.92 : 72,466.08 = 31,281.20 : x
  2. Step 2: Convert to fraction form
    52,512.92/72,466.08 = 31,281.20/x
  3. Step 3: Cross multiply
    52,512.92x = 72,466.08 × 31,281.20
  4. Step 4: Simplify right side
    52,512.92x = 2,266,825,941.70
  5. Step 5: Solve for x
    x = 2,266,825,941.70/52,512.92
  6. Step 6: Final answer
    x = 43,167.01

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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.