Home / 52,391.52-72,301.84-28,519.72

Finding the Fourth Proportional to 52,391.52, 72,301.84 and 28,519.72

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Solution

The fourth proportional to 52,391.52, 72,301.84 and 28,519.72 is: 39,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.52 : 72,301.84 = 28,519.72 : x
  2. Step 2: Convert to fraction form
    52,391.52/72,301.84 = 28,519.72/x
  3. Step 3: Cross multiply
    52,391.52x = 72,301.84 × 28,519.72
  4. Step 4: Simplify right side
    52,391.52x = 2,062,028,232.28
  5. Step 5: Solve for x
    x = 2,062,028,232.28/52,391.52
  6. Step 6: Final answer
    x = 39,358.05

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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.