Home / 30,250.90-45,336.92-15,447.34

Finding the Fourth Proportional to 30,250.90, 45,336.92 and 15,447.34

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Solution

The fourth proportional to 30,250.90, 45,336.92 and 15,447.34 is: 23,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.90 : 45,336.92 = 15,447.34 : x
  2. Step 2: Convert to fraction form
    30,250.90/45,336.92 = 15,447.34/x
  3. Step 3: Cross multiply
    30,250.90x = 45,336.92 × 15,447.34
  4. Step 4: Simplify right side
    30,250.90x = 700,334,817.79
  5. Step 5: Solve for x
    x = 700,334,817.79/30,250.90
  6. Step 6: Final answer
    x = 23,150.88

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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.