Home / 42,503.22-63,754.94-20,311.55

Finding the Fourth Proportional to 42,503.22, 63,754.94 and 20,311.55

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Solution

The fourth proportional to 42,503.22, 63,754.94 and 20,311.55 is: 30,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,503.22 : 63,754.94 = 20,311.55 : x
  2. Step 2: Convert to fraction form
    42,503.22/63,754.94 = 20,311.55/x
  3. Step 3: Cross multiply
    42,503.22x = 63,754.94 × 20,311.55
  4. Step 4: Simplify right side
    42,503.22x = 1,294,961,622.64
  5. Step 5: Solve for x
    x = 1,294,961,622.64/42,503.22
  6. Step 6: Final answer
    x = 30,467.38

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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.