Home / 38,670.31-57,987.06-14,988.97

Finding the Fourth Proportional to 38,670.31, 57,987.06 and 14,988.97

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Solution

The fourth proportional to 38,670.31, 57,987.06 and 14,988.97 is: 22,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.31 : 57,987.06 = 14,988.97 : x
  2. Step 2: Convert to fraction form
    38,670.31/57,987.06 = 14,988.97/x
  3. Step 3: Cross multiply
    38,670.31x = 57,987.06 × 14,988.97
  4. Step 4: Simplify right side
    38,670.31x = 869,166,302.73
  5. Step 5: Solve for x
    x = 869,166,302.73/38,670.31
  6. Step 6: Final answer
    x = 22,476.32

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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.