Home / 38,515.41-57,772.96-12,222.20

Finding the Fourth Proportional to 38,515.41, 57,772.96 and 12,222.20

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Solution

The fourth proportional to 38,515.41, 57,772.96 and 12,222.20 is: 18,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.41 : 57,772.96 = 12,222.20 : x
  2. Step 2: Convert to fraction form
    38,515.41/57,772.96 = 12,222.20/x
  3. Step 3: Cross multiply
    38,515.41x = 57,772.96 × 12,222.20
  4. Step 4: Simplify right side
    38,515.41x = 706,112,671.71
  5. Step 5: Solve for x
    x = 706,112,671.71/38,515.41
  6. Step 6: Final answer
    x = 18,333.25

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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.