Home / 40,605.18-56,079.12-27,891.84

Finding the Fourth Proportional to 40,605.18, 56,079.12 and 27,891.84

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Solution

The fourth proportional to 40,605.18, 56,079.12 and 27,891.84 is: 38,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.18 : 56,079.12 = 27,891.84 : x
  2. Step 2: Convert to fraction form
    40,605.18/56,079.12 = 27,891.84/x
  3. Step 3: Cross multiply
    40,605.18x = 56,079.12 × 27,891.84
  4. Step 4: Simplify right side
    40,605.18x = 1,564,149,842.38
  5. Step 5: Solve for x
    x = 1,564,149,842.38/40,605.18
  6. Step 6: Final answer
    x = 38,520.94

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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.