Home / 38,661.30-53,340.12-22,749.66

Finding the Fourth Proportional to 38,661.30, 53,340.12 and 22,749.66

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Solution

The fourth proportional to 38,661.30, 53,340.12 and 22,749.66 is: 31,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.30 : 53,340.12 = 22,749.66 : x
  2. Step 2: Convert to fraction form
    38,661.30/53,340.12 = 22,749.66/x
  3. Step 3: Cross multiply
    38,661.30x = 53,340.12 × 22,749.66
  4. Step 4: Simplify right side
    38,661.30x = 1,213,469,594.36
  5. Step 5: Solve for x
    x = 1,213,469,594.36/38,661.30
  6. Step 6: Final answer
    x = 31,387.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.