Home / 40,008.60-55,213.46-23,012.83

Finding the Fourth Proportional to 40,008.60, 55,213.46 and 23,012.83

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Solution

The fourth proportional to 40,008.60, 55,213.46 and 23,012.83 is: 31,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.60 : 55,213.46 = 23,012.83 : x
  2. Step 2: Convert to fraction form
    40,008.60/55,213.46 = 23,012.83/x
  3. Step 3: Cross multiply
    40,008.60x = 55,213.46 × 23,012.83
  4. Step 4: Simplify right side
    40,008.60x = 1,270,617,715.59
  5. Step 5: Solve for x
    x = 1,270,617,715.59/40,008.60
  6. Step 6: Final answer
    x = 31,758.61

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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.