Home / 52,685.24-79,027.92-21,520.49

Finding the Fourth Proportional to 52,685.24, 79,027.92 and 21,520.49

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Solution

The fourth proportional to 52,685.24, 79,027.92 and 21,520.49 is: 32,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,685.24 : 79,027.92 = 21,520.49 : x
  2. Step 2: Convert to fraction form
    52,685.24/79,027.92 = 21,520.49/x
  3. Step 3: Cross multiply
    52,685.24x = 79,027.92 × 21,520.49
  4. Step 4: Simplify right side
    52,685.24x = 1,700,719,166.94
  5. Step 5: Solve for x
    x = 1,700,719,166.94/52,685.24
  6. Step 6: Final answer
    x = 32,280.76

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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.