Home / 39,851.52-55,013.76-23,081.28

Finding the Fourth Proportional to 39,851.52, 55,013.76 and 23,081.28

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Solution

The fourth proportional to 39,851.52, 55,013.76 and 23,081.28 is: 31,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.52 : 55,013.76 = 23,081.28 : x
  2. Step 2: Convert to fraction form
    39,851.52/55,013.76 = 23,081.28/x
  3. Step 3: Cross multiply
    39,851.52x = 55,013.76 × 23,081.28
  4. Step 4: Simplify right side
    39,851.52x = 1,269,787,998.41
  5. Step 5: Solve for x
    x = 1,269,787,998.41/39,851.52
  6. Step 6: Final answer
    x = 31,862.98

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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.