Home / 38,508.02-57,761.61-12,212.06

Finding the Fourth Proportional to 38,508.02, 57,761.61 and 12,212.06

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Solution

The fourth proportional to 38,508.02, 57,761.61 and 12,212.06 is: 18,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508.02 : 57,761.61 = 12,212.06 : x
  2. Step 2: Convert to fraction form
    38,508.02/57,761.61 = 12,212.06/x
  3. Step 3: Cross multiply
    38,508.02x = 57,761.61 × 12,212.06
  4. Step 4: Simplify right side
    38,508.02x = 705,388,247.02
  5. Step 5: Solve for x
    x = 705,388,247.02/38,508.02
  6. Step 6: Final answer
    x = 18,317.96

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1.5x scale

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.