Home / 40,898.20-61,347.30-11,320.60

Finding the Fourth Proportional to 40,898.20, 61,347.30 and 11,320.60

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Solution

The fourth proportional to 40,898.20, 61,347.30 and 11,320.60 is: 16,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.20 : 61,347.30 = 11,320.60 : x
  2. Step 2: Convert to fraction form
    40,898.20/61,347.30 = 11,320.60/x
  3. Step 3: Cross multiply
    40,898.20x = 61,347.30 × 11,320.60
  4. Step 4: Simplify right side
    40,898.20x = 694,488,244.38
  5. Step 5: Solve for x
    x = 694,488,244.38/40,898.20
  6. Step 6: Final answer
    x = 16,980.90

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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.