Home / 84,253.27-126,210.36-39,922.78

Finding the Fourth Proportional to 84,253.27, 126,210.36 and 39,922.78

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Solution

The fourth proportional to 84,253.27, 126,210.36 and 39,922.78 is: 59,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,253.27 : 126,210.36 = 39,922.78 : x
  2. Step 2: Convert to fraction form
    84,253.27/126,210.36 = 39,922.78/x
  3. Step 3: Cross multiply
    84,253.27x = 126,210.36 × 39,922.78
  4. Step 4: Simplify right side
    84,253.27x = 5,038,668,436.00
  5. Step 5: Solve for x
    x = 5,038,668,436.00/84,253.27
  6. Step 6: Final answer
    x = 59,803.83

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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.