Home / 45,579.18-62,868.20-39,600.30

Finding the Fourth Proportional to 45,579.18, 62,868.20 and 39,600.30

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Solution

The fourth proportional to 45,579.18, 62,868.20 and 39,600.30 is: 54,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,579.18 : 62,868.20 = 39,600.30 : x
  2. Step 2: Convert to fraction form
    45,579.18/62,868.20 = 39,600.30/x
  3. Step 3: Cross multiply
    45,579.18x = 62,868.20 × 39,600.30
  4. Step 4: Simplify right side
    45,579.18x = 2,489,599,580.46
  5. Step 5: Solve for x
    x = 2,489,599,580.46/45,579.18
  6. Step 6: Final answer
    x = 54,621.42

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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.