Home / 71,314.44-106,967.34-18,722.76

Finding the Fourth Proportional to 71,314.44, 106,967.34 and 18,722.76

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Solution

The fourth proportional to 71,314.44, 106,967.34 and 18,722.76 is: 28,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,314.44 : 106,967.34 = 18,722.76 : x
  2. Step 2: Convert to fraction form
    71,314.44/106,967.34 = 18,722.76/x
  3. Step 3: Cross multiply
    71,314.44x = 106,967.34 × 18,722.76
  4. Step 4: Simplify right side
    71,314.44x = 2,002,723,834.66
  5. Step 5: Solve for x
    x = 2,002,723,834.66/71,314.44
  6. Step 6: Final answer
    x = 28,083.01

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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.