Home / 45,839.20-68,823.60-28,343.20

Finding the Fourth Proportional to 45,839.20, 68,823.60 and 28,343.20

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Solution

The fourth proportional to 45,839.20, 68,823.60 and 28,343.20 is: 42,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,839.20 : 68,823.60 = 28,343.20 : x
  2. Step 2: Convert to fraction form
    45,839.20/68,823.60 = 28,343.20/x
  3. Step 3: Cross multiply
    45,839.20x = 68,823.60 × 28,343.20
  4. Step 4: Simplify right side
    45,839.20x = 1,950,681,059.52
  5. Step 5: Solve for x
    x = 1,950,681,059.52/45,839.20
  6. Step 6: Final answer
    x = 42,554.87

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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.