Home / 34,451.01-51,665.22-13,389.57

Finding the Fourth Proportional to 34,451.01, 51,665.22 and 13,389.57

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Solution

The fourth proportional to 34,451.01, 51,665.22 and 13,389.57 is: 20,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.01 : 51,665.22 = 13,389.57 : x
  2. Step 2: Convert to fraction form
    34,451.01/51,665.22 = 13,389.57/x
  3. Step 3: Cross multiply
    34,451.01x = 51,665.22 × 13,389.57
  4. Step 4: Simplify right side
    34,451.01x = 691,775,079.76
  5. Step 5: Solve for x
    x = 691,775,079.76/34,451.01
  6. Step 6: Final answer
    x = 20,079.97

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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.