Home / 42,194.80-63,282.48-12,611.98

Finding the Fourth Proportional to 42,194.80, 63,282.48 and 12,611.98

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Solution

The fourth proportional to 42,194.80, 63,282.48 and 12,611.98 is: 18,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,194.80 : 63,282.48 = 12,611.98 : x
  2. Step 2: Convert to fraction form
    42,194.80/63,282.48 = 12,611.98/x
  3. Step 3: Cross multiply
    42,194.80x = 63,282.48 × 12,611.98
  4. Step 4: Simplify right side
    42,194.80x = 798,117,372.11
  5. Step 5: Solve for x
    x = 798,117,372.11/42,194.80
  6. Step 6: Final answer
    x = 18,915.06

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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.