Home / 52,765.16-79,139.28-19,500.92

Finding the Fourth Proportional to 52,765.16, 79,139.28 and 19,500.92

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Solution

The fourth proportional to 52,765.16, 79,139.28 and 19,500.92 is: 29,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.16 : 79,139.28 = 19,500.92 : x
  2. Step 2: Convert to fraction form
    52,765.16/79,139.28 = 19,500.92/x
  3. Step 3: Cross multiply
    52,765.16x = 79,139.28 × 19,500.92
  4. Step 4: Simplify right side
    52,765.16x = 1,543,288,768.14
  5. Step 5: Solve for x
    x = 1,543,288,768.14/52,765.16
  6. Step 6: Final answer
    x = 29,248.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.