Home / 31,672.98-43,908.54-29,987.64

Finding the Fourth Proportional to 31,672.98, 43,908.54 and 29,987.64

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Solution

The fourth proportional to 31,672.98, 43,908.54 and 29,987.64 is: 41,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,672.98 : 43,908.54 = 29,987.64 : x
  2. Step 2: Convert to fraction form
    31,672.98/43,908.54 = 29,987.64/x
  3. Step 3: Cross multiply
    31,672.98x = 43,908.54 × 29,987.64
  4. Step 4: Simplify right side
    31,672.98x = 1,316,713,490.45
  5. Step 5: Solve for x
    x = 1,316,713,490.45/31,672.98
  6. Step 6: Final answer
    x = 41,572.14

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.