Home / 40,777.90-61,172.94-14,480.44

Finding the Fourth Proportional to 40,777.90, 61,172.94 and 14,480.44

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Solution

The fourth proportional to 40,777.90, 61,172.94 and 14,480.44 is: 21,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777.90 : 61,172.94 = 14,480.44 : x
  2. Step 2: Convert to fraction form
    40,777.90/61,172.94 = 14,480.44/x
  3. Step 3: Cross multiply
    40,777.90x = 61,172.94 × 14,480.44
  4. Step 4: Simplify right side
    40,777.90x = 885,811,087.29
  5. Step 5: Solve for x
    x = 885,811,087.29/40,777.90
  6. Step 6: Final answer
    x = 21,722.82

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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.