Home / 52,652.34-72,660.38-31,431.15

Finding the Fourth Proportional to 52,652.34, 72,660.38 and 31,431.15

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Solution

The fourth proportional to 52,652.34, 72,660.38 and 31,431.15 is: 43,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652.34 : 72,660.38 = 31,431.15 : x
  2. Step 2: Convert to fraction form
    52,652.34/72,660.38 = 31,431.15/x
  3. Step 3: Cross multiply
    52,652.34x = 72,660.38 × 31,431.15
  4. Step 4: Simplify right side
    52,652.34x = 2,283,799,145.68
  5. Step 5: Solve for x
    x = 2,283,799,145.68/52,652.34
  6. Step 6: Final answer
    x = 43,375.07

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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.