Home / 39,449.70-54,440.91-22,455.27

Finding the Fourth Proportional to 39,449.70, 54,440.91 and 22,455.27

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Solution

The fourth proportional to 39,449.70, 54,440.91 and 22,455.27 is: 30,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.70 : 54,440.91 = 22,455.27 : x
  2. Step 2: Convert to fraction form
    39,449.70/54,440.91 = 22,455.27/x
  3. Step 3: Cross multiply
    39,449.70x = 54,440.91 × 22,455.27
  4. Step 4: Simplify right side
    39,449.70x = 1,222,485,333.10
  5. Step 5: Solve for x
    x = 1,222,485,333.10/39,449.70
  6. Step 6: Final answer
    x = 30,988.46

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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.