Home / 45,225.54-62,390.25-28,218.78

Finding the Fourth Proportional to 45,225.54, 62,390.25 and 28,218.78

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Solution

The fourth proportional to 45,225.54, 62,390.25 and 28,218.78 is: 38,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.54 : 62,390.25 = 28,218.78 : x
  2. Step 2: Convert to fraction form
    45,225.54/62,390.25 = 28,218.78/x
  3. Step 3: Cross multiply
    45,225.54x = 62,390.25 × 28,218.78
  4. Step 4: Simplify right side
    45,225.54x = 1,760,576,738.90
  5. Step 5: Solve for x
    x = 1,760,576,738.90/45,225.54
  6. Step 6: Final answer
    x = 38,928.82

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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.