Home / 84,233.93-126,350.38-21,053.73

Finding the Fourth Proportional to 84,233.93, 126,350.38 and 21,053.73

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Solution

The fourth proportional to 84,233.93, 126,350.38 and 21,053.73 is: 31,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,233.93 : 126,350.38 = 21,053.73 : x
  2. Step 2: Convert to fraction form
    84,233.93/126,350.38 = 21,053.73/x
  3. Step 3: Cross multiply
    84,233.93x = 126,350.38 × 21,053.73
  4. Step 4: Simplify right side
    84,233.93x = 2,660,146,785.92
  5. Step 5: Solve for x
    x = 2,660,146,785.92/84,233.93
  6. Step 6: Final answer
    x = 31,580.47

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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.