Home / 38,310.04-57,465.78-12,014.20

Finding the Fourth Proportional to 38,310.04, 57,465.78 and 12,014.20

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Solution

The fourth proportional to 38,310.04, 57,465.78 and 12,014.20 is: 18,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.04 : 57,465.78 = 12,014.20 : x
  2. Step 2: Convert to fraction form
    38,310.04/57,465.78 = 12,014.20/x
  3. Step 3: Cross multiply
    38,310.04x = 57,465.78 × 12,014.20
  4. Step 4: Simplify right side
    38,310.04x = 690,405,374.08
  5. Step 5: Solve for x
    x = 690,405,374.08/38,310.04
  6. Step 6: Final answer
    x = 18,021.53

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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.