Home / 40,453.46-55,698.74-34,391.78

Finding the Fourth Proportional to 40,453.46, 55,698.74 and 34,391.78

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Solution

The fourth proportional to 40,453.46, 55,698.74 and 34,391.78 is: 47,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.46 : 55,698.74 = 34,391.78 : x
  2. Step 2: Convert to fraction form
    40,453.46/55,698.74 = 34,391.78/x
  3. Step 3: Cross multiply
    40,453.46x = 55,698.74 × 34,391.78
  4. Step 4: Simplify right side
    40,453.46x = 1,915,578,361.90
  5. Step 5: Solve for x
    x = 1,915,578,361.90/40,453.46
  6. Step 6: Final answer
    x = 47,352.65

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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.