Home / 40,361.68-55,702.76-22,456.40

Finding the Fourth Proportional to 40,361.68, 55,702.76 and 22,456.40

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Solution

The fourth proportional to 40,361.68, 55,702.76 and 22,456.40 is: 30,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,361.68 : 55,702.76 = 22,456.40 : x
  2. Step 2: Convert to fraction form
    40,361.68/55,702.76 = 22,456.40/x
  3. Step 3: Cross multiply
    40,361.68x = 55,702.76 × 22,456.40
  4. Step 4: Simplify right side
    40,361.68x = 1,250,883,459.66
  5. Step 5: Solve for x
    x = 1,250,883,459.66/40,361.68
  6. Step 6: Final answer
    x = 30,991.86

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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.