Home / 38,515.86-57,773.33-12,220.83

Finding the Fourth Proportional to 38,515.86, 57,773.33 and 12,220.83

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Solution

The fourth proportional to 38,515.86, 57,773.33 and 12,220.83 is: 18,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.86 : 57,773.33 = 12,220.83 : x
  2. Step 2: Convert to fraction form
    38,515.86/57,773.33 = 12,220.83/x
  3. Step 3: Cross multiply
    38,515.86x = 57,773.33 × 12,220.83
  4. Step 4: Simplify right side
    38,515.86x = 706,037,983.36
  5. Step 5: Solve for x
    x = 706,037,983.36/38,515.86
  6. Step 6: Final answer
    x = 18,331.10

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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.