Home / 52,142.04-71,939.10-29,478.84

Finding the Fourth Proportional to 52,142.04, 71,939.10 and 29,478.84

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Solution

The fourth proportional to 52,142.04, 71,939.10 and 29,478.84 is: 40,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.04 : 71,939.10 = 29,478.84 : x
  2. Step 2: Convert to fraction form
    52,142.04/71,939.10 = 29,478.84/x
  3. Step 3: Cross multiply
    52,142.04x = 71,939.10 × 29,478.84
  4. Step 4: Simplify right side
    52,142.04x = 2,120,681,218.64
  5. Step 5: Solve for x
    x = 2,120,681,218.64/52,142.04
  6. Step 6: Final answer
    x = 40,671.24

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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.