Home / 57,930.39-86,903.69-18,474.08

Finding the Fourth Proportional to 57,930.39, 86,903.69 and 18,474.08

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Solution

The fourth proportional to 57,930.39, 86,903.69 and 18,474.08 is: 27,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.39 : 86,903.69 = 18,474.08 : x
  2. Step 2: Convert to fraction form
    57,930.39/86,903.69 = 18,474.08/x
  3. Step 3: Cross multiply
    57,930.39x = 86,903.69 × 18,474.08
  4. Step 4: Simplify right side
    57,930.39x = 1,605,465,194.47
  5. Step 5: Solve for x
    x = 1,605,465,194.47/57,930.39
  6. Step 6: Final answer
    x = 27,713.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.