Home / 40,927.20-61,358.40-22,459.20

Finding the Fourth Proportional to 40,927.20, 61,358.40 and 22,459.20

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Solution

The fourth proportional to 40,927.20, 61,358.40 and 22,459.20 is: 33,671.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,927.20 : 61,358.40 = 22,459.20 : x
  2. Step 2: Convert to fraction form
    40,927.20/61,358.40 = 22,459.20/x
  3. Step 3: Cross multiply
    40,927.20x = 61,358.40 × 22,459.20
  4. Step 4: Simplify right side
    40,927.20x = 1,378,060,577.28
  5. Step 5: Solve for x
    x = 1,378,060,577.28/40,927.20
  6. Step 6: Final answer
    x = 33,671.02

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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.