Home / 52,217.13-72,057.71-28,343.30

Finding the Fourth Proportional to 52,217.13, 72,057.71 and 28,343.30

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Solution

The fourth proportional to 52,217.13, 72,057.71 and 28,343.30 is: 39,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217.13 : 72,057.71 = 28,343.30 : x
  2. Step 2: Convert to fraction form
    52,217.13/72,057.71 = 28,343.30/x
  3. Step 3: Cross multiply
    52,217.13x = 72,057.71 × 28,343.30
  4. Step 4: Simplify right side
    52,217.13x = 2,042,353,291.84
  5. Step 5: Solve for x
    x = 2,042,353,291.84/52,217.13
  6. Step 6: Final answer
    x = 39,112.71

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1.5x scale

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.