Home / 40,881.60-56,419.20-26,772.48

Finding the Fourth Proportional to 40,881.60, 56,419.20 and 26,772.48

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Solution

The fourth proportional to 40,881.60, 56,419.20 and 26,772.48 is: 36,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,881.60 : 56,419.20 = 26,772.48 : x
  2. Step 2: Convert to fraction form
    40,881.60/56,419.20 = 26,772.48/x
  3. Step 3: Cross multiply
    40,881.60x = 56,419.20 × 26,772.48
  4. Step 4: Simplify right side
    40,881.60x = 1,510,481,903.62
  5. Step 5: Solve for x
    x = 1,510,481,903.62/40,881.60
  6. Step 6: Final answer
    x = 36,947.72

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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.