Home / 84,350.78-126,526.20-22,021.28

Finding the Fourth Proportional to 84,350.78, 126,526.20 and 22,021.28

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Solution

The fourth proportional to 84,350.78, 126,526.20 and 22,021.28 is: 33,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,350.78 : 126,526.20 = 22,021.28 : x
  2. Step 2: Convert to fraction form
    84,350.78/126,526.20 = 22,021.28/x
  3. Step 3: Cross multiply
    84,350.78x = 126,526.20 × 22,021.28
  4. Step 4: Simplify right side
    84,350.78x = 2,786,268,877.54
  5. Step 5: Solve for x
    x = 2,786,268,877.54/84,350.78
  6. Step 6: Final answer
    x = 33,031.93

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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.