Home / 52,765.76-79,023-30,532.28

Finding the Fourth Proportional to 52,765.76, 79,023 and 30,532.28

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Solution

The fourth proportional to 52,765.76, 79,023 and 30,532.28 is: 45,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.76 : 79,023 = 30,532.28 : x
  2. Step 2: Convert to fraction form
    52,765.76/79,023 = 30,532.28/x
  3. Step 3: Cross multiply
    52,765.76x = 79,023 × 30,532.28
  4. Step 4: Simplify right side
    52,765.76x = 2,412,752,362.44
  5. Step 5: Solve for x
    x = 2,412,752,362.44/52,765.76
  6. Step 6: Final answer
    x = 45,725.72

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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.