Home / 52,034.09-71,807.03-28,160.76

Finding the Fourth Proportional to 52,034.09, 71,807.03 and 28,160.76

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Solution

The fourth proportional to 52,034.09, 71,807.03 and 28,160.76 is: 38,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034.09 : 71,807.03 = 28,160.76 : x
  2. Step 2: Convert to fraction form
    52,034.09/71,807.03 = 28,160.76/x
  3. Step 3: Cross multiply
    52,034.09x = 71,807.03 × 28,160.76
  4. Step 4: Simplify right side
    52,034.09x = 2,022,140,538.14
  5. Step 5: Solve for x
    x = 2,022,140,538.14/52,034.09
  6. Step 6: Final answer
    x = 38,861.84

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Half scale
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Double scale
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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.