Home / 52,520.24-78,733.20-20,952.20

Finding the Fourth Proportional to 52,520.24, 78,733.20 and 20,952.20

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Solution

The fourth proportional to 52,520.24, 78,733.20 and 20,952.20 is: 31,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.24 : 78,733.20 = 20,952.20 : x
  2. Step 2: Convert to fraction form
    52,520.24/78,733.20 = 20,952.20/x
  3. Step 3: Cross multiply
    52,520.24x = 78,733.20 × 20,952.20
  4. Step 4: Simplify right side
    52,520.24x = 1,649,633,753.04
  5. Step 5: Solve for x
    x = 1,649,633,753.04/52,520.24
  6. Step 6: Final answer
    x = 31,409.49

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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.