Home / 40,135.51-55,390.14-22,232.23

Finding the Fourth Proportional to 40,135.51, 55,390.14 and 22,232.23

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Solution

The fourth proportional to 40,135.51, 55,390.14 and 22,232.23 is: 30,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.51 : 55,390.14 = 22,232.23 : x
  2. Step 2: Convert to fraction form
    40,135.51/55,390.14 = 22,232.23/x
  3. Step 3: Cross multiply
    40,135.51x = 55,390.14 × 22,232.23
  4. Step 4: Simplify right side
    40,135.51x = 1,231,446,332.21
  5. Step 5: Solve for x
    x = 1,231,446,332.21/40,135.51
  6. Step 6: Final answer
    x = 30,682.21

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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.