Home / 81,004.32-121,506.48-25,596

Finding the Fourth Proportional to 81,004.32, 121,506.48 and 25,596

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Solution

The fourth proportional to 81,004.32, 121,506.48 and 25,596 is: 38,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,004.32 : 121,506.48 = 25,596 : x
  2. Step 2: Convert to fraction form
    81,004.32/121,506.48 = 25,596/x
  3. Step 3: Cross multiply
    81,004.32x = 121,506.48 × 25,596
  4. Step 4: Simplify right side
    81,004.32x = 3,110,079,862.08
  5. Step 5: Solve for x
    x = 3,110,079,862.08/81,004.32
  6. Step 6: Final answer
    x = 38,394.00

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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.