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Finding the Fourth Proportional to 29,005.77, 43,514.10 and 9,279.03

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Solution

The fourth proportional to 29,005.77, 43,514.10 and 9,279.03 is: 13,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.77 : 43,514.10 = 9,279.03 : x
  2. Step 2: Convert to fraction form
    29,005.77/43,514.10 = 9,279.03/x
  3. Step 3: Cross multiply
    29,005.77x = 43,514.10 × 9,279.03
  4. Step 4: Simplify right side
    29,005.77x = 403,768,639.32
  5. Step 5: Solve for x
    x = 403,768,639.32/29,005.77
  6. Step 6: Final answer
    x = 13,920.29

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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.