Home / 38,302.18-57,453.34-12,008.96

Finding the Fourth Proportional to 38,302.18, 57,453.34 and 12,008.96

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Solution

The fourth proportional to 38,302.18, 57,453.34 and 12,008.96 is: 18,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.18 : 57,453.34 = 12,008.96 : x
  2. Step 2: Convert to fraction form
    38,302.18/57,453.34 = 12,008.96/x
  3. Step 3: Cross multiply
    38,302.18x = 57,453.34 × 12,008.96
  4. Step 4: Simplify right side
    38,302.18x = 689,954,861.93
  5. Step 5: Solve for x
    x = 689,954,861.93/38,302.18
  6. Step 6: Final answer
    x = 18,013.46

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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.