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Finding the Fourth Proportional to 55,641.37, 83,465.88 and 22,361.46

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Solution

The fourth proportional to 55,641.37, 83,465.88 and 22,361.46 is: 33,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.37 : 83,465.88 = 22,361.46 : x
  2. Step 2: Convert to fraction form
    55,641.37/83,465.88 = 22,361.46/x
  3. Step 3: Cross multiply
    55,641.37x = 83,465.88 × 22,361.46
  4. Step 4: Simplify right side
    55,641.37x = 1,866,419,145.65
  5. Step 5: Solve for x
    x = 1,866,419,145.65/55,641.37
  6. Step 6: Final answer
    x = 33,543.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.