Home / 52,142.15-71,904.35-39,252.29

Finding the Fourth Proportional to 52,142.15, 71,904.35 and 39,252.29

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Solution

The fourth proportional to 52,142.15, 71,904.35 and 39,252.29 is: 54,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.15 : 71,904.35 = 39,252.29 : x
  2. Step 2: Convert to fraction form
    52,142.15/71,904.35 = 39,252.29/x
  3. Step 3: Cross multiply
    52,142.15x = 71,904.35 × 39,252.29
  4. Step 4: Simplify right side
    52,142.15x = 2,822,410,398.46
  5. Step 5: Solve for x
    x = 2,822,410,398.46/52,142.15
  6. Step 6: Final answer
    x = 54,129.15

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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.