Home / 29,038.82-43,507.20-20,706.38

Finding the Fourth Proportional to 29,038.82, 43,507.20 and 20,706.38

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Solution

The fourth proportional to 29,038.82, 43,507.20 and 20,706.38 is: 31,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,038.82 : 43,507.20 = 20,706.38 : x
  2. Step 2: Convert to fraction form
    29,038.82/43,507.20 = 20,706.38/x
  3. Step 3: Cross multiply
    29,038.82x = 43,507.20 × 20,706.38
  4. Step 4: Simplify right side
    29,038.82x = 900,876,615.94
  5. Step 5: Solve for x
    x = 900,876,615.94/29,038.82
  6. Step 6: Final answer
    x = 31,023.18

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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.