Home / 40,702.24-61,076.04-21,981.88

Finding the Fourth Proportional to 40,702.24, 61,076.04 and 21,981.88

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Solution

The fourth proportional to 40,702.24, 61,076.04 and 21,981.88 is: 32,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,702.24 : 61,076.04 = 21,981.88 : x
  2. Step 2: Convert to fraction form
    40,702.24/61,076.04 = 21,981.88/x
  3. Step 3: Cross multiply
    40,702.24x = 61,076.04 × 21,981.88
  4. Step 4: Simplify right side
    40,702.24x = 1,342,566,182.16
  5. Step 5: Solve for x
    x = 1,342,566,182.16/40,702.24
  6. Step 6: Final answer
    x = 32,985.07

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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.