Home / 52,871.28-72,962.20-30,217.30

Finding the Fourth Proportional to 52,871.28, 72,962.20 and 30,217.30

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Solution

The fourth proportional to 52,871.28, 72,962.20 and 30,217.30 is: 41,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.28 : 72,962.20 = 30,217.30 : x
  2. Step 2: Convert to fraction form
    52,871.28/72,962.20 = 30,217.30/x
  3. Step 3: Cross multiply
    52,871.28x = 72,962.20 × 30,217.30
  4. Step 4: Simplify right side
    52,871.28x = 2,204,720,686.06
  5. Step 5: Solve for x
    x = 2,204,720,686.06/52,871.28
  6. Step 6: Final answer
    x = 41,699.78

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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.