Home / 30,407.20-45,610.80-13,766.86

Finding the Fourth Proportional to 30,407.20, 45,610.80 and 13,766.86

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Solution

The fourth proportional to 30,407.20, 45,610.80 and 13,766.86 is: 20,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407.20 : 45,610.80 = 13,766.86 : x
  2. Step 2: Convert to fraction form
    30,407.20/45,610.80 = 13,766.86/x
  3. Step 3: Cross multiply
    30,407.20x = 45,610.80 × 13,766.86
  4. Step 4: Simplify right side
    30,407.20x = 627,917,503.48
  5. Step 5: Solve for x
    x = 627,917,503.48/30,407.20
  6. Step 6: Final answer
    x = 20,650.29

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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.