Home / 84,304.27-126,453.42-21,124.91

Finding the Fourth Proportional to 84,304.27, 126,453.42 and 21,124.91

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Solution

The fourth proportional to 84,304.27, 126,453.42 and 21,124.91 is: 31,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,304.27 : 126,453.42 = 21,124.91 : x
  2. Step 2: Convert to fraction form
    84,304.27/126,453.42 = 21,124.91/x
  3. Step 3: Cross multiply
    84,304.27x = 126,453.42 × 21,124.91
  4. Step 4: Simplify right side
    84,304.27x = 2,671,317,116.69
  5. Step 5: Solve for x
    x = 2,671,317,116.69/84,304.27
  6. Step 6: Final answer
    x = 31,686.62

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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.