Home / 42,184.97-63,278.58-18,480.32

Finding the Fourth Proportional to 42,184.97, 63,278.58 and 18,480.32

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Solution

The fourth proportional to 42,184.97, 63,278.58 and 18,480.32 is: 27,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,184.97 : 63,278.58 = 18,480.32 : x
  2. Step 2: Convert to fraction form
    42,184.97/63,278.58 = 18,480.32/x
  3. Step 3: Cross multiply
    42,184.97x = 63,278.58 × 18,480.32
  4. Step 4: Simplify right side
    42,184.97x = 1,169,408,091.15
  5. Step 5: Solve for x
    x = 1,169,408,091.15/42,184.97
  6. Step 6: Final answer
    x = 27,720.97

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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.