Home / 38,488.39-57,734.22-12,192.55

Finding the Fourth Proportional to 38,488.39, 57,734.22 and 12,192.55

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Solution

The fourth proportional to 38,488.39, 57,734.22 and 12,192.55 is: 18,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.39 : 57,734.22 = 12,192.55 : x
  2. Step 2: Convert to fraction form
    38,488.39/57,734.22 = 12,192.55/x
  3. Step 3: Cross multiply
    38,488.39x = 57,734.22 × 12,192.55
  4. Step 4: Simplify right side
    38,488.39x = 703,927,364.06
  5. Step 5: Solve for x
    x = 703,927,364.06/38,488.39
  6. Step 6: Final answer
    x = 18,289.34

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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.