Home / 38,657.89-57,995.92-12,002.51

Finding the Fourth Proportional to 38,657.89, 57,995.92 and 12,002.51

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Solution

The fourth proportional to 38,657.89, 57,995.92 and 12,002.51 is: 18,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.89 : 57,995.92 = 12,002.51 : x
  2. Step 2: Convert to fraction form
    38,657.89/57,995.92 = 12,002.51/x
  3. Step 3: Cross multiply
    38,657.89x = 57,995.92 × 12,002.51
  4. Step 4: Simplify right side
    38,657.89x = 696,096,724.74
  5. Step 5: Solve for x
    x = 696,096,724.74/38,657.89
  6. Step 6: Final answer
    x = 18,006.59

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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.