Home / 39,806.32-54,932.52-22,810.64

Finding the Fourth Proportional to 39,806.32, 54,932.52 and 22,810.64

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Solution

The fourth proportional to 39,806.32, 54,932.52 and 22,810.64 is: 31,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.32 : 54,932.52 = 22,810.64 : x
  2. Step 2: Convert to fraction form
    39,806.32/54,932.52 = 22,810.64/x
  3. Step 3: Cross multiply
    39,806.32x = 54,932.52 × 22,810.64
  4. Step 4: Simplify right side
    39,806.32x = 1,253,045,938.01
  5. Step 5: Solve for x
    x = 1,253,045,938.01/39,806.32
  6. Step 6: Final answer
    x = 31,478.57

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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.