Home / 40,537.98-60,756.21-21,771.90

Finding the Fourth Proportional to 40,537.98, 60,756.21 and 21,771.90

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Solution

The fourth proportional to 40,537.98, 60,756.21 and 21,771.90 is: 32,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,537.98 : 60,756.21 = 21,771.90 : x
  2. Step 2: Convert to fraction form
    40,537.98/60,756.21 = 21,771.90/x
  3. Step 3: Cross multiply
    40,537.98x = 60,756.21 × 21,771.90
  4. Step 4: Simplify right side
    40,537.98x = 1,322,778,128.50
  5. Step 5: Solve for x
    x = 1,322,778,128.50/40,537.98
  6. Step 6: Final answer
    x = 32,630.59

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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.