Home / 30,542.92-45,799.90-11,831.72

Finding the Fourth Proportional to 30,542.92, 45,799.90 and 11,831.72

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Solution

The fourth proportional to 30,542.92, 45,799.90 and 11,831.72 is: 17,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542.92 : 45,799.90 = 11,831.72 : x
  2. Step 2: Convert to fraction form
    30,542.92/45,799.90 = 11,831.72/x
  3. Step 3: Cross multiply
    30,542.92x = 45,799.90 × 11,831.72
  4. Step 4: Simplify right side
    30,542.92x = 541,891,334.25
  5. Step 5: Solve for x
    x = 541,891,334.25/30,542.92
  6. Step 6: Final answer
    x = 17,741.96

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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.