Home / 56,326.39-77,730.30-30,832.76

Finding the Fourth Proportional to 56,326.39, 77,730.30 and 30,832.76

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Solution

The fourth proportional to 56,326.39, 77,730.30 and 30,832.76 is: 42,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,326.39 : 77,730.30 = 30,832.76 : x
  2. Step 2: Convert to fraction form
    56,326.39/77,730.30 = 30,832.76/x
  3. Step 3: Cross multiply
    56,326.39x = 77,730.30 × 30,832.76
  4. Step 4: Simplify right side
    56,326.39x = 2,396,639,463.86
  5. Step 5: Solve for x
    x = 2,396,639,463.86/56,326.39
  6. Step 6: Final answer
    x = 42,549.14

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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.