Home / 60,761.32-91,144.74-18,638.32

Finding the Fourth Proportional to 60,761.32, 91,144.74 and 18,638.32

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Solution

The fourth proportional to 60,761.32, 91,144.74 and 18,638.32 is: 27,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,761.32 : 91,144.74 = 18,638.32 : x
  2. Step 2: Convert to fraction form
    60,761.32/91,144.74 = 18,638.32/x
  3. Step 3: Cross multiply
    60,761.32x = 91,144.74 × 18,638.32
  4. Step 4: Simplify right side
    60,761.32x = 1,698,784,830.44
  5. Step 5: Solve for x
    x = 1,698,784,830.44/60,761.32
  6. Step 6: Final answer
    x = 27,958.33

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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.