Home / 40,707.12-61,069.45-12,626.61

Finding the Fourth Proportional to 40,707.12, 61,069.45 and 12,626.61

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Solution

The fourth proportional to 40,707.12, 61,069.45 and 12,626.61 is: 18,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.12 : 61,069.45 = 12,626.61 : x
  2. Step 2: Convert to fraction form
    40,707.12/61,069.45 = 12,626.61/x
  3. Step 3: Cross multiply
    40,707.12x = 61,069.45 × 12,626.61
  4. Step 4: Simplify right side
    40,707.12x = 771,100,064.93
  5. Step 5: Solve for x
    x = 771,100,064.93/40,707.12
  6. Step 6: Final answer
    x = 18,942.63

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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.