Home / 42,169.23-58,241.36-28,717.12

Finding the Fourth Proportional to 42,169.23, 58,241.36 and 28,717.12

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Solution

The fourth proportional to 42,169.23, 58,241.36 and 28,717.12 is: 39,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.23 : 58,241.36 = 28,717.12 : x
  2. Step 2: Convert to fraction form
    42,169.23/58,241.36 = 28,717.12/x
  3. Step 3: Cross multiply
    42,169.23x = 58,241.36 × 28,717.12
  4. Step 4: Simplify right side
    42,169.23x = 1,672,524,124.08
  5. Step 5: Solve for x
    x = 1,672,524,124.08/42,169.23
  6. Step 6: Final answer
    x = 39,662.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.