Home / 55,153.80-82,772.42-40,401.07

Finding the Fourth Proportional to 55,153.80, 82,772.42 and 40,401.07

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Solution

The fourth proportional to 55,153.80, 82,772.42 and 40,401.07 is: 60,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153.80 : 82,772.42 = 40,401.07 : x
  2. Step 2: Convert to fraction form
    55,153.80/82,772.42 = 40,401.07/x
  3. Step 3: Cross multiply
    55,153.80x = 82,772.42 × 40,401.07
  4. Step 4: Simplify right side
    55,153.80x = 3,344,093,925.55
  5. Step 5: Solve for x
    x = 3,344,093,925.55/55,153.80
  6. Step 6: Final answer
    x = 60,632.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.