Home / 84,825.30-127,242.32-21,645.97

Finding the Fourth Proportional to 84,825.30, 127,242.32 and 21,645.97

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Solution

The fourth proportional to 84,825.30, 127,242.32 and 21,645.97 is: 32,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,825.30 : 127,242.32 = 21,645.97 : x
  2. Step 2: Convert to fraction form
    84,825.30/127,242.32 = 21,645.97/x
  3. Step 3: Cross multiply
    84,825.30x = 127,242.32 × 21,645.97
  4. Step 4: Simplify right side
    84,825.30x = 2,754,283,333.22
  5. Step 5: Solve for x
    x = 2,754,283,333.22/84,825.30
  6. Step 6: Final answer
    x = 32,470.07

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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.