Home / 38,773.32-58,168.43-12,121.31

Finding the Fourth Proportional to 38,773.32, 58,168.43 and 12,121.31

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Solution

The fourth proportional to 38,773.32, 58,168.43 and 12,121.31 is: 18,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773.32 : 58,168.43 = 12,121.31 : x
  2. Step 2: Convert to fraction form
    38,773.32/58,168.43 = 12,121.31/x
  3. Step 3: Cross multiply
    38,773.32x = 58,168.43 × 12,121.31
  4. Step 4: Simplify right side
    38,773.32x = 705,077,311.70
  5. Step 5: Solve for x
    x = 705,077,311.70/38,773.32
  6. Step 6: Final answer
    x = 18,184.60

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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.