Home / 55,150.05-82,766.79-40,397.32

Finding the Fourth Proportional to 55,150.05, 82,766.79 and 40,397.32

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Solution

The fourth proportional to 55,150.05, 82,766.79 and 40,397.32 is: 60,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.05 : 82,766.79 = 40,397.32 : x
  2. Step 2: Convert to fraction form
    55,150.05/82,766.79 = 40,397.32/x
  3. Step 3: Cross multiply
    55,150.05x = 82,766.79 × 40,397.32
  4. Step 4: Simplify right side
    55,150.05x = 3,343,556,294.09
  5. Step 5: Solve for x
    x = 3,343,556,294.09/55,150.05
  6. Step 6: Final answer
    x = 60,626.53

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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.