Home / 52,053.12-71,832.80-28,179.18

Finding the Fourth Proportional to 52,053.12, 71,832.80 and 28,179.18

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Solution

The fourth proportional to 52,053.12, 71,832.80 and 28,179.18 is: 38,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,053.12 : 71,832.80 = 28,179.18 : x
  2. Step 2: Convert to fraction form
    52,053.12/71,832.80 = 28,179.18/x
  3. Step 3: Cross multiply
    52,053.12x = 71,832.80 × 28,179.18
  4. Step 4: Simplify right side
    52,053.12x = 2,024,189,401.10
  5. Step 5: Solve for x
    x = 2,024,189,401.10/52,053.12
  6. Step 6: Final answer
    x = 38,886.99

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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.