Home / 52,016.28-71,782.08-28,142.88

Finding the Fourth Proportional to 52,016.28, 71,782.08 and 28,142.88

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Solution

The fourth proportional to 52,016.28, 71,782.08 and 28,142.88 is: 38,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,016.28 : 71,782.08 = 28,142.88 : x
  2. Step 2: Convert to fraction form
    52,016.28/71,782.08 = 28,142.88/x
  3. Step 3: Cross multiply
    52,016.28x = 71,782.08 × 28,142.88
  4. Step 4: Simplify right side
    52,016.28x = 2,020,154,463.59
  5. Step 5: Solve for x
    x = 2,020,154,463.59/52,016.28
  6. Step 6: Final answer
    x = 38,836.97

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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.