Home / 57,815.62-79,810.15-35,161.89

Finding the Fourth Proportional to 57,815.62, 79,810.15 and 35,161.89

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Solution

The fourth proportional to 57,815.62, 79,810.15 and 35,161.89 is: 48,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,815.62 : 79,810.15 = 35,161.89 : x
  2. Step 2: Convert to fraction form
    57,815.62/79,810.15 = 35,161.89/x
  3. Step 3: Cross multiply
    57,815.62x = 79,810.15 × 35,161.89
  4. Step 4: Simplify right side
    57,815.62x = 2,806,275,427.75
  5. Step 5: Solve for x
    x = 2,806,275,427.75/57,815.62
  6. Step 6: Final answer
    x = 48,538.36

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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.