Home / 40,334.32-55,661.15-22,428.28

Finding the Fourth Proportional to 40,334.32, 55,661.15 and 22,428.28

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Solution

The fourth proportional to 40,334.32, 55,661.15 and 22,428.28 is: 30,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,334.32 : 55,661.15 = 22,428.28 : x
  2. Step 2: Convert to fraction form
    40,334.32/55,661.15 = 22,428.28/x
  3. Step 3: Cross multiply
    40,334.32x = 55,661.15 × 22,428.28
  4. Step 4: Simplify right side
    40,334.32x = 1,248,383,745.18
  5. Step 5: Solve for x
    x = 1,248,383,745.18/40,334.32
  6. Step 6: Final answer
    x = 30,950.91

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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.