Home / 42,180.91-63,302.66-19,994.33

Finding the Fourth Proportional to 42,180.91, 63,302.66 and 19,994.33

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Solution

The fourth proportional to 42,180.91, 63,302.66 and 19,994.33 is: 30,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.91 : 63,302.66 = 19,994.33 : x
  2. Step 2: Convert to fraction form
    42,180.91/63,302.66 = 19,994.33/x
  3. Step 3: Cross multiply
    42,180.91x = 63,302.66 × 19,994.33
  4. Step 4: Simplify right side
    42,180.91x = 1,265,694,273.92
  5. Step 5: Solve for x
    x = 1,265,694,273.92/42,180.91
  6. Step 6: Final answer
    x = 30,006.33

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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.