Home / 40,072.48-55,298.91-22,168.24

Finding the Fourth Proportional to 40,072.48, 55,298.91 and 22,168.24

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Solution

The fourth proportional to 40,072.48, 55,298.91 and 22,168.24 is: 30,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.48 : 55,298.91 = 22,168.24 : x
  2. Step 2: Convert to fraction form
    40,072.48/55,298.91 = 22,168.24/x
  3. Step 3: Cross multiply
    40,072.48x = 55,298.91 × 22,168.24
  4. Step 4: Simplify right side
    40,072.48x = 1,225,879,508.62
  5. Step 5: Solve for x
    x = 1,225,879,508.62/40,072.48
  6. Step 6: Final answer
    x = 30,591.56

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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.