Home / 55,471.89-83,228.62-28,801.23

Finding the Fourth Proportional to 55,471.89, 83,228.62 and 28,801.23

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Solution

The fourth proportional to 55,471.89, 83,228.62 and 28,801.23 is: 43,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,471.89 : 83,228.62 = 28,801.23 : x
  2. Step 2: Convert to fraction form
    55,471.89/83,228.62 = 28,801.23/x
  3. Step 3: Cross multiply
    55,471.89x = 83,228.62 × 28,801.23
  4. Step 4: Simplify right side
    55,471.89x = 2,397,086,627.20
  5. Step 5: Solve for x
    x = 2,397,086,627.20/55,471.89
  6. Step 6: Final answer
    x = 43,212.64

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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.