Home / 39,762.99-54,850.20-34,171.56

Finding the Fourth Proportional to 39,762.99, 54,850.20 and 34,171.56

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Solution

The fourth proportional to 39,762.99, 54,850.20 and 34,171.56 is: 47,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.99 : 54,850.20 = 34,171.56 : x
  2. Step 2: Convert to fraction form
    39,762.99/54,850.20 = 34,171.56/x
  3. Step 3: Cross multiply
    39,762.99x = 54,850.20 × 34,171.56
  4. Step 4: Simplify right side
    39,762.99x = 1,874,316,900.31
  5. Step 5: Solve for x
    x = 1,874,316,900.31/39,762.99
  6. Step 6: Final answer
    x = 47,137.22

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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.