Home / 56,326.38-77,727.06-30,827.70

Finding the Fourth Proportional to 56,326.38, 77,727.06 and 30,827.70

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Solution

The fourth proportional to 56,326.38, 77,727.06 and 30,827.70 is: 42,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,326.38 : 77,727.06 = 30,827.70 : x
  2. Step 2: Convert to fraction form
    56,326.38/77,727.06 = 30,827.70/x
  3. Step 3: Cross multiply
    56,326.38x = 77,727.06 × 30,827.70
  4. Step 4: Simplify right side
    56,326.38x = 2,396,146,487.56
  5. Step 5: Solve for x
    x = 2,396,146,487.56/56,326.38
  6. Step 6: Final answer
    x = 42,540.40

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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.