Home / 42,207.82-63,342.86-20,021.27

Finding the Fourth Proportional to 42,207.82, 63,342.86 and 20,021.27

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Solution

The fourth proportional to 42,207.82, 63,342.86 and 20,021.27 is: 30,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.82 : 63,342.86 = 20,021.27 : x
  2. Step 2: Convert to fraction form
    42,207.82/63,342.86 = 20,021.27/x
  3. Step 3: Cross multiply
    42,207.82x = 63,342.86 × 20,021.27
  4. Step 4: Simplify right side
    42,207.82x = 1,268,204,085.81
  5. Step 5: Solve for x
    x = 1,268,204,085.81/42,207.82
  6. Step 6: Final answer
    x = 30,046.66

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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.