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Finding the Fourth Proportional to 40,475.40, 60,713.10 and 30,633.90

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Solution

The fourth proportional to 40,475.40, 60,713.10 and 30,633.90 is: 45,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.40 : 60,713.10 = 30,633.90 : x
  2. Step 2: Convert to fraction form
    40,475.40/60,713.10 = 30,633.90/x
  3. Step 3: Cross multiply
    40,475.40x = 60,713.10 × 30,633.90
  4. Step 4: Simplify right side
    40,475.40x = 1,859,879,034.09
  5. Step 5: Solve for x
    x = 1,859,879,034.09/40,475.40
  6. Step 6: Final answer
    x = 45,950.85

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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.