Home / 38,666.48-57,994.20-12,367.76

Finding the Fourth Proportional to 38,666.48, 57,994.20 and 12,367.76

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Solution

The fourth proportional to 38,666.48, 57,994.20 and 12,367.76 is: 18,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.48 : 57,994.20 = 12,367.76 : x
  2. Step 2: Convert to fraction form
    38,666.48/57,994.20 = 12,367.76/x
  3. Step 3: Cross multiply
    38,666.48x = 57,994.20 × 12,367.76
  4. Step 4: Simplify right side
    38,666.48x = 717,258,346.99
  5. Step 5: Solve for x
    x = 717,258,346.99/38,666.48
  6. Step 6: Final answer
    x = 18,549.87

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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.