Home / 40,353.60-55,687.86-22,449.72

Finding the Fourth Proportional to 40,353.60, 55,687.86 and 22,449.72

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Solution

The fourth proportional to 40,353.60, 55,687.86 and 22,449.72 is: 30,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353.60 : 55,687.86 = 22,449.72 : x
  2. Step 2: Convert to fraction form
    40,353.60/55,687.86 = 22,449.72/x
  3. Step 3: Cross multiply
    40,353.60x = 55,687.86 × 22,449.72
  4. Step 4: Simplify right side
    40,353.60x = 1,250,176,864.40
  5. Step 5: Solve for x
    x = 1,250,176,864.40/40,353.60
  6. Step 6: Final answer
    x = 30,980.55

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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.