Home / 39,251.04-54,129.20-30,284.34

Finding the Fourth Proportional to 39,251.04, 54,129.20 and 30,284.34

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Solution

The fourth proportional to 39,251.04, 54,129.20 and 30,284.34 is: 41,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.04 : 54,129.20 = 30,284.34 : x
  2. Step 2: Convert to fraction form
    39,251.04/54,129.20 = 30,284.34/x
  3. Step 3: Cross multiply
    39,251.04x = 54,129.20 × 30,284.34
  4. Step 4: Simplify right side
    39,251.04x = 1,639,267,096.73
  5. Step 5: Solve for x
    x = 1,639,267,096.73/39,251.04
  6. Step 6: Final answer
    x = 41,763.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.