Home / 61,278.53-91,897.13-23,318.79

Finding the Fourth Proportional to 61,278.53, 91,897.13 and 23,318.79

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Solution

The fourth proportional to 61,278.53, 91,897.13 and 23,318.79 is: 34,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,278.53 : 91,897.13 = 23,318.79 : x
  2. Step 2: Convert to fraction form
    61,278.53/91,897.13 = 23,318.79/x
  3. Step 3: Cross multiply
    61,278.53x = 91,897.13 × 23,318.79
  4. Step 4: Simplify right side
    61,278.53x = 2,142,929,961.80
  5. Step 5: Solve for x
    x = 2,142,929,961.80/61,278.53
  6. Step 6: Final answer
    x = 34,970.32

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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.