Home / 57,275.16-79,039.49-31,785.41

Finding the Fourth Proportional to 57,275.16, 79,039.49 and 31,785.41

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Solution

The fourth proportional to 57,275.16, 79,039.49 and 31,785.41 is: 43,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.16 : 79,039.49 = 31,785.41 : x
  2. Step 2: Convert to fraction form
    57,275.16/79,039.49 = 31,785.41/x
  3. Step 3: Cross multiply
    57,275.16x = 79,039.49 × 31,785.41
  4. Step 4: Simplify right side
    57,275.16x = 2,512,302,041.72
  5. Step 5: Solve for x
    x = 2,512,302,041.72/57,275.16
  6. Step 6: Final answer
    x = 43,863.73

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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.