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Finding the Fourth Proportional to 29,305.80, 43,927.68 and 9,579.06

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Solution

The fourth proportional to 29,305.80, 43,927.68 and 9,579.06 is: 14,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.80 : 43,927.68 = 9,579.06 : x
  2. Step 2: Convert to fraction form
    29,305.80/43,927.68 = 9,579.06/x
  3. Step 3: Cross multiply
    29,305.80x = 43,927.68 × 9,579.06
  4. Step 4: Simplify right side
    29,305.80x = 420,785,882.38
  5. Step 5: Solve for x
    x = 420,785,882.38/29,305.80
  6. Step 6: Final answer
    x = 14,358.45

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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.