Home / 35,439.92-53,160.11-9,144.89

Finding the Fourth Proportional to 35,439.92, 53,160.11 and 9,144.89

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Solution

The fourth proportional to 35,439.92, 53,160.11 and 9,144.89 is: 13,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.92 : 53,160.11 = 9,144.89 : x
  2. Step 2: Convert to fraction form
    35,439.92/53,160.11 = 9,144.89/x
  3. Step 3: Cross multiply
    35,439.92x = 53,160.11 × 9,144.89
  4. Step 4: Simplify right side
    35,439.92x = 486,143,358.34
  5. Step 5: Solve for x
    x = 486,143,358.34/35,439.92
  6. Step 6: Final answer
    x = 13,717.39

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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.