Home / 52,045.12-71,821.84-28,171.24

Finding the Fourth Proportional to 52,045.12, 71,821.84 and 28,171.24

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Solution

The fourth proportional to 52,045.12, 71,821.84 and 28,171.24 is: 38,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.12 : 71,821.84 = 28,171.24 : x
  2. Step 2: Convert to fraction form
    52,045.12/71,821.84 = 28,171.24/x
  3. Step 3: Cross multiply
    52,045.12x = 71,821.84 × 28,171.24
  4. Step 4: Simplify right side
    52,045.12x = 2,023,310,291.88
  5. Step 5: Solve for x
    x = 2,023,310,291.88/52,045.12
  6. Step 6: Final answer
    x = 38,876.08

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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.