Home / 39,310.50-54,234.99-22,313.46

Finding the Fourth Proportional to 39,310.50, 54,234.99 and 22,313.46

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Solution

The fourth proportional to 39,310.50, 54,234.99 and 22,313.46 is: 30,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.50 : 54,234.99 = 22,313.46 : x
  2. Step 2: Convert to fraction form
    39,310.50/54,234.99 = 22,313.46/x
  3. Step 3: Cross multiply
    39,310.50x = 54,234.99 × 22,313.46
  4. Step 4: Simplify right side
    39,310.50x = 1,210,170,160.26
  5. Step 5: Solve for x
    x = 1,210,170,160.26/39,310.50
  6. Step 6: Final answer
    x = 30,784.91

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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.