Home / 52,157.80-78,204.30-29,960.20

Finding the Fourth Proportional to 52,157.80, 78,204.30 and 29,960.20

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Solution

The fourth proportional to 52,157.80, 78,204.30 and 29,960.20 is: 44,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.80 : 78,204.30 = 29,960.20 : x
  2. Step 2: Convert to fraction form
    52,157.80/78,204.30 = 29,960.20/x
  3. Step 3: Cross multiply
    52,157.80x = 78,204.30 × 29,960.20
  4. Step 4: Simplify right side
    52,157.80x = 2,343,016,468.86
  5. Step 5: Solve for x
    x = 2,343,016,468.86/52,157.80
  6. Step 6: Final answer
    x = 44,921.69

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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.