Home / 40,216.54-55,499.16-22,312.72

Finding the Fourth Proportional to 40,216.54, 55,499.16 and 22,312.72

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Solution

The fourth proportional to 40,216.54, 55,499.16 and 22,312.72 is: 30,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216.54 : 55,499.16 = 22,312.72 : x
  2. Step 2: Convert to fraction form
    40,216.54/55,499.16 = 22,312.72/x
  3. Step 3: Cross multiply
    40,216.54x = 55,499.16 × 22,312.72
  4. Step 4: Simplify right side
    40,216.54x = 1,238,337,217.32
  5. Step 5: Solve for x
    x = 1,238,337,217.32/40,216.54
  6. Step 6: Final answer
    x = 30,791.74

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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.