Home / 39,808.02-59,726.38-20,071.72

Finding the Fourth Proportional to 39,808.02, 59,726.38 and 20,071.72

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Solution

The fourth proportional to 39,808.02, 59,726.38 and 20,071.72 is: 30,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808.02 : 59,726.38 = 20,071.72 : x
  2. Step 2: Convert to fraction form
    39,808.02/59,726.38 = 20,071.72/x
  3. Step 3: Cross multiply
    39,808.02x = 59,726.38 × 20,071.72
  4. Step 4: Simplify right side
    39,808.02x = 1,198,811,175.97
  5. Step 5: Solve for x
    x = 1,198,811,175.97/39,808.02
  6. Step 6: Final answer
    x = 30,114.82

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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.