Home / 31,387.95-43,304.80-17,774.13

Finding the Fourth Proportional to 31,387.95, 43,304.80 and 17,774.13

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Solution

The fourth proportional to 31,387.95, 43,304.80 and 17,774.13 is: 24,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,387.95 : 43,304.80 = 17,774.13 : x
  2. Step 2: Convert to fraction form
    31,387.95/43,304.80 = 17,774.13/x
  3. Step 3: Cross multiply
    31,387.95x = 43,304.80 × 17,774.13
  4. Step 4: Simplify right side
    31,387.95x = 769,705,144.82
  5. Step 5: Solve for x
    x = 769,705,144.82/31,387.95
  6. Step 6: Final answer
    x = 24,522.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.