Home / 40,228.07-55,515.63-22,322.81

Finding the Fourth Proportional to 40,228.07, 55,515.63 and 22,322.81

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Solution

The fourth proportional to 40,228.07, 55,515.63 and 22,322.81 is: 30,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.07 : 55,515.63 = 22,322.81 : x
  2. Step 2: Convert to fraction form
    40,228.07/55,515.63 = 22,322.81/x
  3. Step 3: Cross multiply
    40,228.07x = 55,515.63 × 22,322.81
  4. Step 4: Simplify right side
    40,228.07x = 1,239,264,582.94
  5. Step 5: Solve for x
    x = 1,239,264,582.94/40,228.07
  6. Step 6: Final answer
    x = 30,805.97

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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.