Home / 40,962.43-61,450.65-18,777.71

Finding the Fourth Proportional to 40,962.43, 61,450.65 and 18,777.71

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Solution

The fourth proportional to 40,962.43, 61,450.65 and 18,777.71 is: 28,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,962.43 : 61,450.65 = 18,777.71 : x
  2. Step 2: Convert to fraction form
    40,962.43/61,450.65 = 18,777.71/x
  3. Step 3: Cross multiply
    40,962.43x = 61,450.65 × 18,777.71
  4. Step 4: Simplify right side
    40,962.43x = 1,153,902,408.20
  5. Step 5: Solve for x
    x = 1,153,902,408.20/40,962.43
  6. Step 6: Final answer
    x = 28,169.78

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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.