Home / 58,478.33-87,728.31-18,507.38

Finding the Fourth Proportional to 58,478.33, 87,728.31 and 18,507.38

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Solution

The fourth proportional to 58,478.33, 87,728.31 and 18,507.38 is: 27,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,478.33 : 87,728.31 = 18,507.38 : x
  2. Step 2: Convert to fraction form
    58,478.33/87,728.31 = 18,507.38/x
  3. Step 3: Cross multiply
    58,478.33x = 87,728.31 × 18,507.38
  4. Step 4: Simplify right side
    58,478.33x = 1,623,620,731.29
  5. Step 5: Solve for x
    x = 1,623,620,731.29/58,478.33
  6. Step 6: Final answer
    x = 27,764.48

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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.