Home / 38,510.60-57,765.90-12,217.40

Finding the Fourth Proportional to 38,510.60, 57,765.90 and 12,217.40

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Solution

The fourth proportional to 38,510.60, 57,765.90 and 12,217.40 is: 18,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.60 : 57,765.90 = 12,217.40 : x
  2. Step 2: Convert to fraction form
    38,510.60/57,765.90 = 12,217.40/x
  3. Step 3: Cross multiply
    38,510.60x = 57,765.90 × 12,217.40
  4. Step 4: Simplify right side
    38,510.60x = 705,749,106.66
  5. Step 5: Solve for x
    x = 705,749,106.66/38,510.60
  6. Step 6: Final answer
    x = 18,326.10

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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.