Home / 29,147.40-43,725.90-9,430.92

Finding the Fourth Proportional to 29,147.40, 43,725.90 and 9,430.92

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Solution

The fourth proportional to 29,147.40, 43,725.90 and 9,430.92 is: 14,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.40 : 43,725.90 = 9,430.92 : x
  2. Step 2: Convert to fraction form
    29,147.40/43,725.90 = 9,430.92/x
  3. Step 3: Cross multiply
    29,147.40x = 43,725.90 × 9,430.92
  4. Step 4: Simplify right side
    29,147.40x = 412,375,464.83
  5. Step 5: Solve for x
    x = 412,375,464.83/29,147.40
  6. Step 6: Final answer
    x = 14,147.93

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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.