Home / 29,149.40-43,713.30-9,428.60

Finding the Fourth Proportional to 29,149.40, 43,713.30 and 9,428.60

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Solution

The fourth proportional to 29,149.40, 43,713.30 and 9,428.60 is: 14,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.40 : 43,713.30 = 9,428.60 : x
  2. Step 2: Convert to fraction form
    29,149.40/43,713.30 = 9,428.60/x
  3. Step 3: Cross multiply
    29,149.40x = 43,713.30 × 9,428.60
  4. Step 4: Simplify right side
    29,149.40x = 412,155,220.38
  5. Step 5: Solve for x
    x = 412,155,220.38/29,149.40
  6. Step 6: Final answer
    x = 14,139.41

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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.