Home / 58,198.08-87,335.40-31,921.29

Finding the Fourth Proportional to 58,198.08, 87,335.40 and 31,921.29

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Solution

The fourth proportional to 58,198.08, 87,335.40 and 31,921.29 is: 47,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,198.08 : 87,335.40 = 31,921.29 : x
  2. Step 2: Convert to fraction form
    58,198.08/87,335.40 = 31,921.29/x
  3. Step 3: Cross multiply
    58,198.08x = 87,335.40 × 31,921.29
  4. Step 4: Simplify right side
    58,198.08x = 2,787,858,630.67
  5. Step 5: Solve for x
    x = 2,787,858,630.67/58,198.08
  6. Step 6: Final answer
    x = 47,902.93

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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.