Home / 57,319.26-79,100.89-31,826.02

Finding the Fourth Proportional to 57,319.26, 79,100.89 and 31,826.02

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Solution

The fourth proportional to 57,319.26, 79,100.89 and 31,826.02 is: 43,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.26 : 79,100.89 = 31,826.02 : x
  2. Step 2: Convert to fraction form
    57,319.26/79,100.89 = 31,826.02/x
  3. Step 3: Cross multiply
    57,319.26x = 79,100.89 × 31,826.02
  4. Step 4: Simplify right side
    57,319.26x = 2,517,466,507.16
  5. Step 5: Solve for x
    x = 2,517,466,507.16/57,319.26
  6. Step 6: Final answer
    x = 43,920.08

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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.