Home / 30,542.42-45,799.14-11,831.22

Finding the Fourth Proportional to 30,542.42, 45,799.14 and 11,831.22

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Solution

The fourth proportional to 30,542.42, 45,799.14 and 11,831.22 is: 17,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542.42 : 45,799.14 = 11,831.22 : x
  2. Step 2: Convert to fraction form
    30,542.42/45,799.14 = 11,831.22/x
  3. Step 3: Cross multiply
    30,542.42x = 45,799.14 × 11,831.22
  4. Step 4: Simplify right side
    30,542.42x = 541,859,701.15
  5. Step 5: Solve for x
    x = 541,859,701.15/30,542.42
  6. Step 6: Final answer
    x = 17,741.22

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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.