Home / 40,479.66-55,868.76-29,899.98

Finding the Fourth Proportional to 40,479.66, 55,868.76 and 29,899.98

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Solution

The fourth proportional to 40,479.66, 55,868.76 and 29,899.98 is: 41,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.66 : 55,868.76 = 29,899.98 : x
  2. Step 2: Convert to fraction form
    40,479.66/55,868.76 = 29,899.98/x
  3. Step 3: Cross multiply
    40,479.66x = 55,868.76 × 29,899.98
  4. Step 4: Simplify right side
    40,479.66x = 1,670,474,806.62
  5. Step 5: Solve for x
    x = 1,670,474,806.62/40,479.66
  6. Step 6: Final answer
    x = 41,267.02

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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.