Home / 40,440.12-55,772.46-26,287.80

Finding the Fourth Proportional to 40,440.12, 55,772.46 and 26,287.80

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Solution

The fourth proportional to 40,440.12, 55,772.46 and 26,287.80 is: 36,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440.12 : 55,772.46 = 26,287.80 : x
  2. Step 2: Convert to fraction form
    40,440.12/55,772.46 = 26,287.80/x
  3. Step 3: Cross multiply
    40,440.12x = 55,772.46 × 26,287.80
  4. Step 4: Simplify right side
    40,440.12x = 1,466,135,273.99
  5. Step 5: Solve for x
    x = 1,466,135,273.99/40,440.12
  6. Step 6: Final answer
    x = 36,254.47

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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.