Home / 42,648.84-63,987.41-13,066.97

Finding the Fourth Proportional to 42,648.84, 63,987.41 and 13,066.97

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Solution

The fourth proportional to 42,648.84, 63,987.41 and 13,066.97 is: 19,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,648.84 : 63,987.41 = 13,066.97 : x
  2. Step 2: Convert to fraction form
    42,648.84/63,987.41 = 13,066.97/x
  3. Step 3: Cross multiply
    42,648.84x = 63,987.41 × 13,066.97
  4. Step 4: Simplify right side
    42,648.84x = 836,121,181.58
  5. Step 5: Solve for x
    x = 836,121,181.58/42,648.84
  6. Step 6: Final answer
    x = 19,604.78

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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.