Home / 29,005.80-43,499.40-9,279.66

Finding the Fourth Proportional to 29,005.80, 43,499.40 and 9,279.66

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Solution

The fourth proportional to 29,005.80, 43,499.40 and 9,279.66 is: 13,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.80 : 43,499.40 = 9,279.66 : x
  2. Step 2: Convert to fraction form
    29,005.80/43,499.40 = 9,279.66/x
  3. Step 3: Cross multiply
    29,005.80x = 43,499.40 × 9,279.66
  4. Step 4: Simplify right side
    29,005.80x = 403,659,642.20
  5. Step 5: Solve for x
    x = 403,659,642.20/29,005.80
  6. Step 6: Final answer
    x = 13,916.51

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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.