Home / 51,778.17-71,467.11-30,564.27

Finding the Fourth Proportional to 51,778.17, 71,467.11 and 30,564.27

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Solution

The fourth proportional to 51,778.17, 71,467.11 and 30,564.27 is: 42,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,778.17 : 71,467.11 = 30,564.27 : x
  2. Step 2: Convert to fraction form
    51,778.17/71,467.11 = 30,564.27/x
  3. Step 3: Cross multiply
    51,778.17x = 71,467.11 × 30,564.27
  4. Step 4: Simplify right side
    51,778.17x = 2,184,340,046.16
  5. Step 5: Solve for x
    x = 2,184,340,046.16/51,778.17
  6. Step 6: Final answer
    x = 42,186.51

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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.