Home / 50,115.75-75,210.07-40,372.71

Finding the Fourth Proportional to 50,115.75, 75,210.07 and 40,372.71

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Solution

The fourth proportional to 50,115.75, 75,210.07 and 40,372.71 is: 60,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.75 : 75,210.07 = 40,372.71 : x
  2. Step 2: Convert to fraction form
    50,115.75/75,210.07 = 40,372.71/x
  3. Step 3: Cross multiply
    50,115.75x = 75,210.07 × 40,372.71
  4. Step 4: Simplify right side
    50,115.75x = 3,036,434,345.19
  5. Step 5: Solve for x
    x = 3,036,434,345.19/50,115.75
  6. Step 6: Final answer
    x = 60,588.42

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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.