Home / 39,862.56-55,007.76-22,863.12

Finding the Fourth Proportional to 39,862.56, 55,007.76 and 22,863.12

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Solution

The fourth proportional to 39,862.56, 55,007.76 and 22,863.12 is: 31,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.56 : 55,007.76 = 22,863.12 : x
  2. Step 2: Convert to fraction form
    39,862.56/55,007.76 = 22,863.12/x
  3. Step 3: Cross multiply
    39,862.56x = 55,007.76 × 22,863.12
  4. Step 4: Simplify right side
    39,862.56x = 1,257,649,017.81
  5. Step 5: Solve for x
    x = 1,257,649,017.81/39,862.56
  6. Step 6: Final answer
    x = 31,549.63

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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.