Home / 40,153.20-55,410.64-22,248.12

Finding the Fourth Proportional to 40,153.20, 55,410.64 and 22,248.12

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Solution

The fourth proportional to 40,153.20, 55,410.64 and 22,248.12 is: 30,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.20 : 55,410.64 = 22,248.12 : x
  2. Step 2: Convert to fraction form
    40,153.20/55,410.64 = 22,248.12/x
  3. Step 3: Cross multiply
    40,153.20x = 55,410.64 × 22,248.12
  4. Step 4: Simplify right side
    40,153.20x = 1,232,782,568.00
  5. Step 5: Solve for x
    x = 1,232,782,568.00/40,153.20
  6. Step 6: Final answer
    x = 30,701.98

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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.