Home / 40,443.76-55,812.78-22,295.16

Finding the Fourth Proportional to 40,443.76, 55,812.78 and 22,295.16

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Solution

The fourth proportional to 40,443.76, 55,812.78 and 22,295.16 is: 30,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,443.76 : 55,812.78 = 22,295.16 : x
  2. Step 2: Convert to fraction form
    40,443.76/55,812.78 = 22,295.16/x
  3. Step 3: Cross multiply
    40,443.76x = 55,812.78 × 22,295.16
  4. Step 4: Simplify right side
    40,443.76x = 1,244,354,860.14
  5. Step 5: Solve for x
    x = 1,244,354,860.14/40,443.76
  6. Step 6: Final answer
    x = 30,767.54

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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.