Home / 40,729.12-61,076.40-14,440.48

Finding the Fourth Proportional to 40,729.12, 61,076.40 and 14,440.48

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Solution

The fourth proportional to 40,729.12, 61,076.40 and 14,440.48 is: 21,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.12 : 61,076.40 = 14,440.48 : x
  2. Step 2: Convert to fraction form
    40,729.12/61,076.40 = 14,440.48/x
  3. Step 3: Cross multiply
    40,729.12x = 61,076.40 × 14,440.48
  4. Step 4: Simplify right side
    40,729.12x = 881,972,532.67
  5. Step 5: Solve for x
    x = 881,972,532.67/40,729.12
  6. Step 6: Final answer
    x = 21,654.59

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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.