Home / 41,778.90-62,670.40-13,687.56

Finding the Fourth Proportional to 41,778.90, 62,670.40 and 13,687.56

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Solution

The fourth proportional to 41,778.90, 62,670.40 and 13,687.56 is: 20,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,778.90 : 62,670.40 = 13,687.56 : x
  2. Step 2: Convert to fraction form
    41,778.90/62,670.40 = 13,687.56/x
  3. Step 3: Cross multiply
    41,778.90x = 62,670.40 × 13,687.56
  4. Step 4: Simplify right side
    41,778.90x = 857,804,826.01
  5. Step 5: Solve for x
    x = 857,804,826.01/41,778.90
  6. Step 6: Final answer
    x = 20,532.01

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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.