Home / 45,018.18-67,525.56-11,738.52

Finding the Fourth Proportional to 45,018.18, 67,525.56 and 11,738.52

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Solution

The fourth proportional to 45,018.18, 67,525.56 and 11,738.52 is: 17,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018.18 : 67,525.56 = 11,738.52 : x
  2. Step 2: Convert to fraction form
    45,018.18/67,525.56 = 11,738.52/x
  3. Step 3: Cross multiply
    45,018.18x = 67,525.56 × 11,738.52
  4. Step 4: Simplify right side
    45,018.18x = 792,650,136.57
  5. Step 5: Solve for x
    x = 792,650,136.57/45,018.18
  6. Step 6: Final answer
    x = 17,607.33

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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.