Home / 38,644.20-57,975.12-12,348.84

Finding the Fourth Proportional to 38,644.20, 57,975.12 and 12,348.84

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Solution

The fourth proportional to 38,644.20, 57,975.12 and 12,348.84 is: 18,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,644.20 : 57,975.12 = 12,348.84 : x
  2. Step 2: Convert to fraction form
    38,644.20/57,975.12 = 12,348.84/x
  3. Step 3: Cross multiply
    38,644.20x = 57,975.12 × 12,348.84
  4. Step 4: Simplify right side
    38,644.20x = 715,925,480.86
  5. Step 5: Solve for x
    x = 715,925,480.86/38,644.20
  6. Step 6: Final answer
    x = 18,526.08

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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.