Home / 29,138.33-43,707.54-12,487.56

Finding the Fourth Proportional to 29,138.33, 43,707.54 and 12,487.56

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Solution

The fourth proportional to 29,138.33, 43,707.54 and 12,487.56 is: 18,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.33 : 43,707.54 = 12,487.56 : x
  2. Step 2: Convert to fraction form
    29,138.33/43,707.54 = 12,487.56/x
  3. Step 3: Cross multiply
    29,138.33x = 43,707.54 × 12,487.56
  4. Step 4: Simplify right side
    29,138.33x = 545,800,528.20
  5. Step 5: Solve for x
    x = 545,800,528.20/29,138.33
  6. Step 6: Final answer
    x = 18,731.36

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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.