Home / 38,510.51-57,767.78-12,217.30

Finding the Fourth Proportional to 38,510.51, 57,767.78 and 12,217.30

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Solution

The fourth proportional to 38,510.51, 57,767.78 and 12,217.30 is: 18,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.51 : 57,767.78 = 12,217.30 : x
  2. Step 2: Convert to fraction form
    38,510.51/57,767.78 = 12,217.30/x
  3. Step 3: Cross multiply
    38,510.51x = 57,767.78 × 12,217.30
  4. Step 4: Simplify right side
    38,510.51x = 705,766,184.72
  5. Step 5: Solve for x
    x = 705,766,184.72/38,510.51
  6. Step 6: Final answer
    x = 18,326.59

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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.