Home / 40,235.39-55,522.24-22,330.40

Finding the Fourth Proportional to 40,235.39, 55,522.24 and 22,330.40

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Solution

The fourth proportional to 40,235.39, 55,522.24 and 22,330.40 is: 30,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,235.39 : 55,522.24 = 22,330.40 : x
  2. Step 2: Convert to fraction form
    40,235.39/55,522.24 = 22,330.40/x
  3. Step 3: Cross multiply
    40,235.39x = 55,522.24 × 22,330.40
  4. Step 4: Simplify right side
    40,235.39x = 1,239,833,828.10
  5. Step 5: Solve for x
    x = 1,239,833,828.10/40,235.39
  6. Step 6: Final answer
    x = 30,814.51

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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.