Home / 40,779.20-61,159.33-11,199.42

Finding the Fourth Proportional to 40,779.20, 61,159.33 and 11,199.42

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Solution

The fourth proportional to 40,779.20, 61,159.33 and 11,199.42 is: 16,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.20 : 61,159.33 = 11,199.42 : x
  2. Step 2: Convert to fraction form
    40,779.20/61,159.33 = 11,199.42/x
  3. Step 3: Cross multiply
    40,779.20x = 61,159.33 × 11,199.42
  4. Step 4: Simplify right side
    40,779.20x = 684,949,023.59
  5. Step 5: Solve for x
    x = 684,949,023.59/40,779.20
  6. Step 6: Final answer
    x = 16,796.53

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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.