Home / 40,837.98-61,244.01-13,129.50

Finding the Fourth Proportional to 40,837.98, 61,244.01 and 13,129.50

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Solution

The fourth proportional to 40,837.98, 61,244.01 and 13,129.50 is: 19,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,837.98 : 61,244.01 = 13,129.50 : x
  2. Step 2: Convert to fraction form
    40,837.98/61,244.01 = 13,129.50/x
  3. Step 3: Cross multiply
    40,837.98x = 61,244.01 × 13,129.50
  4. Step 4: Simplify right side
    40,837.98x = 804,103,229.30
  5. Step 5: Solve for x
    x = 804,103,229.30/40,837.98
  6. Step 6: Final answer
    x = 19,690.08

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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.