Home / 33,148.18-45,750.17-21,210.94

Finding the Fourth Proportional to 33,148.18, 45,750.17 and 21,210.94

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Solution

The fourth proportional to 33,148.18, 45,750.17 and 21,210.94 is: 29,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.18 : 45,750.17 = 21,210.94 : x
  2. Step 2: Convert to fraction form
    33,148.18/45,750.17 = 21,210.94/x
  3. Step 3: Cross multiply
    33,148.18x = 45,750.17 × 21,210.94
  4. Step 4: Simplify right side
    33,148.18x = 970,404,110.86
  5. Step 5: Solve for x
    x = 970,404,110.86/33,148.18
  6. Step 6: Final answer
    x = 29,274.73

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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.