Home / 39,806.46-54,932.51-21,901.48

Finding the Fourth Proportional to 39,806.46, 54,932.51 and 21,901.48

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Solution

The fourth proportional to 39,806.46, 54,932.51 and 21,901.48 is: 30,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.46 : 54,932.51 = 21,901.48 : x
  2. Step 2: Convert to fraction form
    39,806.46/54,932.51 = 21,901.48/x
  3. Step 3: Cross multiply
    39,806.46x = 54,932.51 × 21,901.48
  4. Step 4: Simplify right side
    39,806.46x = 1,203,103,269.11
  5. Step 5: Solve for x
    x = 1,203,103,269.11/39,806.46
  6. Step 6: Final answer
    x = 30,223.82

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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.