Home / 52,963.28-79,444.85-13,520.40

Finding the Fourth Proportional to 52,963.28, 79,444.85 and 13,520.40

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Solution

The fourth proportional to 52,963.28, 79,444.85 and 13,520.40 is: 20,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,963.28 : 79,444.85 = 13,520.40 : x
  2. Step 2: Convert to fraction form
    52,963.28/79,444.85 = 13,520.40/x
  3. Step 3: Cross multiply
    52,963.28x = 79,444.85 × 13,520.40
  4. Step 4: Simplify right side
    52,963.28x = 1,074,126,149.94
  5. Step 5: Solve for x
    x = 1,074,126,149.94/52,963.28
  6. Step 6: Final answer
    x = 20,280.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.