Home / 40,900.61-61,351.03-12,437.82

Finding the Fourth Proportional to 40,900.61, 61,351.03 and 12,437.82

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Solution

The fourth proportional to 40,900.61, 61,351.03 and 12,437.82 is: 18,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,900.61 : 61,351.03 = 12,437.82 : x
  2. Step 2: Convert to fraction form
    40,900.61/61,351.03 = 12,437.82/x
  3. Step 3: Cross multiply
    40,900.61x = 61,351.03 × 12,437.82
  4. Step 4: Simplify right side
    40,900.61x = 763,072,761.20
  5. Step 5: Solve for x
    x = 763,072,761.20/40,900.61
  6. Step 6: Final answer
    x = 18,656.76

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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.