Home / 52,127.19-71,935.91-28,254.04

Finding the Fourth Proportional to 52,127.19, 71,935.91 and 28,254.04

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Solution

The fourth proportional to 52,127.19, 71,935.91 and 28,254.04 is: 38,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.19 : 71,935.91 = 28,254.04 : x
  2. Step 2: Convert to fraction form
    52,127.19/71,935.91 = 28,254.04/x
  3. Step 3: Cross multiply
    52,127.19x = 71,935.91 × 28,254.04
  4. Step 4: Simplify right side
    52,127.19x = 2,032,479,577.63
  5. Step 5: Solve for x
    x = 2,032,479,577.63/52,127.19
  6. Step 6: Final answer
    x = 38,990.78

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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.