Home / 84,606.57-126,910.14-21,426.66

Finding the Fourth Proportional to 84,606.57, 126,910.14 and 21,426.66

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Solution

The fourth proportional to 84,606.57, 126,910.14 and 21,426.66 is: 32,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,606.57 : 126,910.14 = 21,426.66 : x
  2. Step 2: Convert to fraction form
    84,606.57/126,910.14 = 21,426.66/x
  3. Step 3: Cross multiply
    84,606.57x = 126,910.14 × 21,426.66
  4. Step 4: Simplify right side
    84,606.57x = 2,719,260,420.33
  5. Step 5: Solve for x
    x = 2,719,260,420.33/84,606.57
  6. Step 6: Final answer
    x = 32,140.06

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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.