Home / 29,947.70-44,921.55-9,171.20

Finding the Fourth Proportional to 29,947.70, 44,921.55 and 9,171.20

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Solution

The fourth proportional to 29,947.70, 44,921.55 and 9,171.20 is: 13,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,947.70 : 44,921.55 = 9,171.20 : x
  2. Step 2: Convert to fraction form
    29,947.70/44,921.55 = 9,171.20/x
  3. Step 3: Cross multiply
    29,947.70x = 44,921.55 × 9,171.20
  4. Step 4: Simplify right side
    29,947.70x = 411,984,519.36
  5. Step 5: Solve for x
    x = 411,984,519.36/29,947.70
  6. Step 6: Final answer
    x = 13,756.80

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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.