Home / 42,304.56-63,447.93-12,713.64

Finding the Fourth Proportional to 42,304.56, 63,447.93 and 12,713.64

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Solution

The fourth proportional to 42,304.56, 63,447.93 and 12,713.64 is: 19,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,304.56 : 63,447.93 = 12,713.64 : x
  2. Step 2: Convert to fraction form
    42,304.56/63,447.93 = 12,713.64/x
  3. Step 3: Cross multiply
    42,304.56x = 63,447.93 × 12,713.64
  4. Step 4: Simplify right side
    42,304.56x = 806,654,140.77
  5. Step 5: Solve for x
    x = 806,654,140.77/42,304.56
  6. Step 6: Final answer
    x = 19,067.78

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1.5x scale

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.