Home / 40,474.95-55,852.80-22,568.90

Finding the Fourth Proportional to 40,474.95, 55,852.80 and 22,568.90

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Solution

The fourth proportional to 40,474.95, 55,852.80 and 22,568.90 is: 31,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474.95 : 55,852.80 = 22,568.90 : x
  2. Step 2: Convert to fraction form
    40,474.95/55,852.80 = 22,568.90/x
  3. Step 3: Cross multiply
    40,474.95x = 55,852.80 × 22,568.90
  4. Step 4: Simplify right side
    40,474.95x = 1,260,535,978.66
  5. Step 5: Solve for x
    x = 1,260,535,978.66/40,474.95
  6. Step 6: Final answer
    x = 31,143.61

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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.