Home / 40,521.14-55,924.46-22,619.86

Finding the Fourth Proportional to 40,521.14, 55,924.46 and 22,619.86

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Solution

The fourth proportional to 40,521.14, 55,924.46 and 22,619.86 is: 31,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,521.14 : 55,924.46 = 22,619.86 : x
  2. Step 2: Convert to fraction form
    40,521.14/55,924.46 = 22,619.86/x
  3. Step 3: Cross multiply
    40,521.14x = 55,924.46 × 22,619.86
  4. Step 4: Simplify right side
    40,521.14x = 1,265,003,455.78
  5. Step 5: Solve for x
    x = 1,265,003,455.78/40,521.14
  6. Step 6: Final answer
    x = 31,218.36

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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.