Home / 45,919.30-68,747.55-28,270.30

Finding the Fourth Proportional to 45,919.30, 68,747.55 and 28,270.30

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Solution

The fourth proportional to 45,919.30, 68,747.55 and 28,270.30 is: 42,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,919.30 : 68,747.55 = 28,270.30 : x
  2. Step 2: Convert to fraction form
    45,919.30/68,747.55 = 28,270.30/x
  3. Step 3: Cross multiply
    45,919.30x = 68,747.55 × 28,270.30
  4. Step 4: Simplify right side
    45,919.30x = 1,943,513,862.77
  5. Step 5: Solve for x
    x = 1,943,513,862.77/45,919.30
  6. Step 6: Final answer
    x = 42,324.55

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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.