Home / 42,297.75-63,436.23-18,611.24

Finding the Fourth Proportional to 42,297.75, 63,436.23 and 18,611.24

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Solution

The fourth proportional to 42,297.75, 63,436.23 and 18,611.24 is: 27,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,297.75 : 63,436.23 = 18,611.24 : x
  2. Step 2: Convert to fraction form
    42,297.75/63,436.23 = 18,611.24/x
  3. Step 3: Cross multiply
    42,297.75x = 63,436.23 × 18,611.24
  4. Step 4: Simplify right side
    42,297.75x = 1,180,626,584.04
  5. Step 5: Solve for x
    x = 1,180,626,584.04/42,297.75
  6. Step 6: Final answer
    x = 27,912.28

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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.