Home / 38,815.32-58,222.98-30,987.48

Finding the Fourth Proportional to 38,815.32, 58,222.98 and 30,987.48

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Solution

The fourth proportional to 38,815.32, 58,222.98 and 30,987.48 is: 46,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.32 : 58,222.98 = 30,987.48 : x
  2. Step 2: Convert to fraction form
    38,815.32/58,222.98 = 30,987.48/x
  3. Step 3: Cross multiply
    38,815.32x = 58,222.98 × 30,987.48
  4. Step 4: Simplify right side
    38,815.32x = 1,804,183,428.29
  5. Step 5: Solve for x
    x = 1,804,183,428.29/38,815.32
  6. Step 6: Final answer
    x = 46,481.22

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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.