Home / 40,832.22-61,246.89-13,129.50

Finding the Fourth Proportional to 40,832.22, 61,246.89 and 13,129.50

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Solution

The fourth proportional to 40,832.22, 61,246.89 and 13,129.50 is: 19,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,832.22 : 61,246.89 = 13,129.50 : x
  2. Step 2: Convert to fraction form
    40,832.22/61,246.89 = 13,129.50/x
  3. Step 3: Cross multiply
    40,832.22x = 61,246.89 × 13,129.50
  4. Step 4: Simplify right side
    40,832.22x = 804,141,042.26
  5. Step 5: Solve for x
    x = 804,141,042.26/40,832.22
  6. Step 6: Final answer
    x = 19,693.79

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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.