Home / 52,495.16-72,432.06-31,281.44

Finding the Fourth Proportional to 52,495.16, 72,432.06 and 31,281.44

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Solution

The fourth proportional to 52,495.16, 72,432.06 and 31,281.44 is: 43,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,495.16 : 72,432.06 = 31,281.44 : x
  2. Step 2: Convert to fraction form
    52,495.16/72,432.06 = 31,281.44/x
  3. Step 3: Cross multiply
    52,495.16x = 72,432.06 × 31,281.44
  4. Step 4: Simplify right side
    52,495.16x = 2,265,779,138.97
  5. Step 5: Solve for x
    x = 2,265,779,138.97/52,495.16
  6. Step 6: Final answer
    x = 43,161.68

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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.