Home / 40,329.29-55,649.39-22,422.02

Finding the Fourth Proportional to 40,329.29, 55,649.39 and 22,422.02

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Solution

The fourth proportional to 40,329.29, 55,649.39 and 22,422.02 is: 30,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.29 : 55,649.39 = 22,422.02 : x
  2. Step 2: Convert to fraction form
    40,329.29/55,649.39 = 22,422.02/x
  3. Step 3: Cross multiply
    40,329.29x = 55,649.39 × 22,422.02
  4. Step 4: Simplify right side
    40,329.29x = 1,247,771,345.21
  5. Step 5: Solve for x
    x = 1,247,771,345.21/40,329.29
  6. Step 6: Final answer
    x = 30,939.58

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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.