Home / 40,089.57-55,369.10-27,320.90

Finding the Fourth Proportional to 40,089.57, 55,369.10 and 27,320.90

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Solution

The fourth proportional to 40,089.57, 55,369.10 and 27,320.90 is: 37,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089.57 : 55,369.10 = 27,320.90 : x
  2. Step 2: Convert to fraction form
    40,089.57/55,369.10 = 27,320.90/x
  3. Step 3: Cross multiply
    40,089.57x = 55,369.10 × 27,320.90
  4. Step 4: Simplify right side
    40,089.57x = 1,512,733,230.74
  5. Step 5: Solve for x
    x = 1,512,733,230.74/40,089.57
  6. Step 6: Final answer
    x = 37,733.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.