Home / 84,467.46-126,660.18-31,881.08

Finding the Fourth Proportional to 84,467.46, 126,660.18 and 31,881.08

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Solution

The fourth proportional to 84,467.46, 126,660.18 and 31,881.08 is: 47,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,467.46 : 126,660.18 = 31,881.08 : x
  2. Step 2: Convert to fraction form
    84,467.46/126,660.18 = 31,881.08/x
  3. Step 3: Cross multiply
    84,467.46x = 126,660.18 × 31,881.08
  4. Step 4: Simplify right side
    84,467.46x = 4,038,063,331.39
  5. Step 5: Solve for x
    x = 4,038,063,331.39/84,467.46
  6. Step 6: Final answer
    x = 47,806.14

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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.