Home / 48,649.82-72,985.66-15,371.88

Finding the Fourth Proportional to 48,649.82, 72,985.66 and 15,371.88

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Solution

The fourth proportional to 48,649.82, 72,985.66 and 15,371.88 is: 23,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.82 : 72,985.66 = 15,371.88 : x
  2. Step 2: Convert to fraction form
    48,649.82/72,985.66 = 15,371.88/x
  3. Step 3: Cross multiply
    48,649.82x = 72,985.66 × 15,371.88
  4. Step 4: Simplify right side
    48,649.82x = 1,121,926,495.11
  5. Step 5: Solve for x
    x = 1,121,926,495.11/48,649.82
  6. Step 6: Final answer
    x = 23,061.27

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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.