Home / 40,929.30-61,381.80-15,954.98

Finding the Fourth Proportional to 40,929.30, 61,381.80 and 15,954.98

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Solution

The fourth proportional to 40,929.30, 61,381.80 and 15,954.98 is: 23,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.30 : 61,381.80 = 15,954.98 : x
  2. Step 2: Convert to fraction form
    40,929.30/61,381.80 = 15,954.98/x
  3. Step 3: Cross multiply
    40,929.30x = 61,381.80 × 15,954.98
  4. Step 4: Simplify right side
    40,929.30x = 979,345,084.46
  5. Step 5: Solve for x
    x = 979,345,084.46/40,929.30
  6. Step 6: Final answer
    x = 23,927.73

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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.