Home / 36,391.68-54,585.36-35,406.72

Finding the Fourth Proportional to 36,391.68, 54,585.36 and 35,406.72

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Solution

The fourth proportional to 36,391.68, 54,585.36 and 35,406.72 is: 53,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,391.68 : 54,585.36 = 35,406.72 : x
  2. Step 2: Convert to fraction form
    36,391.68/54,585.36 = 35,406.72/x
  3. Step 3: Cross multiply
    36,391.68x = 54,585.36 × 35,406.72
  4. Step 4: Simplify right side
    36,391.68x = 1,932,688,557.62
  5. Step 5: Solve for x
    x = 1,932,688,557.62/36,391.68
  6. Step 6: Final answer
    x = 53,107.98

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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.