Home / 29,117.54-43,676.32-19,319.42

Finding the Fourth Proportional to 29,117.54, 43,676.32 and 19,319.42

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Solution

The fourth proportional to 29,117.54, 43,676.32 and 19,319.42 is: 28,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.54 : 43,676.32 = 19,319.42 : x
  2. Step 2: Convert to fraction form
    29,117.54/43,676.32 = 19,319.42/x
  3. Step 3: Cross multiply
    29,117.54x = 43,676.32 × 19,319.42
  4. Step 4: Simplify right side
    29,117.54x = 843,801,170.13
  5. Step 5: Solve for x
    x = 843,801,170.13/29,117.54
  6. Step 6: Final answer
    x = 28,979.14

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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.