Home / 42,188.24-63,291.44-12,608.48

Finding the Fourth Proportional to 42,188.24, 63,291.44 and 12,608.48

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Solution

The fourth proportional to 42,188.24, 63,291.44 and 12,608.48 is: 18,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,188.24 : 63,291.44 = 12,608.48 : x
  2. Step 2: Convert to fraction form
    42,188.24/63,291.44 = 12,608.48/x
  3. Step 3: Cross multiply
    42,188.24x = 63,291.44 × 12,608.48
  4. Step 4: Simplify right side
    42,188.24x = 798,008,855.41
  5. Step 5: Solve for x
    x = 798,008,855.41/42,188.24
  6. Step 6: Final answer
    x = 18,915.43

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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.