Home / 52,051.12-71,830.04-28,177.18

Finding the Fourth Proportional to 52,051.12, 71,830.04 and 28,177.18

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Solution

The fourth proportional to 52,051.12, 71,830.04 and 28,177.18 is: 38,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.12 : 71,830.04 = 28,177.18 : x
  2. Step 2: Convert to fraction form
    52,051.12/71,830.04 = 28,177.18/x
  3. Step 3: Cross multiply
    52,051.12x = 71,830.04 × 28,177.18
  4. Step 4: Simplify right side
    52,051.12x = 2,023,967,966.49
  5. Step 5: Solve for x
    x = 2,023,967,966.49/52,051.12
  6. Step 6: Final answer
    x = 38,884.23

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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.