Home / 39,662.02-59,521.83-31,963.78

Finding the Fourth Proportional to 39,662.02, 59,521.83 and 31,963.78

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Solution

The fourth proportional to 39,662.02, 59,521.83 and 31,963.78 is: 47,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.02 : 59,521.83 = 31,963.78 : x
  2. Step 2: Convert to fraction form
    39,662.02/59,521.83 = 31,963.78/x
  3. Step 3: Cross multiply
    39,662.02x = 59,521.83 × 31,963.78
  4. Step 4: Simplify right side
    39,662.02x = 1,902,542,679.32
  5. Step 5: Solve for x
    x = 1,902,542,679.32/39,662.02
  6. Step 6: Final answer
    x = 47,968.88

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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.