Home / 39,425.34-54,406.49-22,429.54

Finding the Fourth Proportional to 39,425.34, 54,406.49 and 22,429.54

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Solution

The fourth proportional to 39,425.34, 54,406.49 and 22,429.54 is: 30,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.34 : 54,406.49 = 22,429.54 : x
  2. Step 2: Convert to fraction form
    39,425.34/54,406.49 = 22,429.54/x
  3. Step 3: Cross multiply
    39,425.34x = 54,406.49 × 22,429.54
  4. Step 4: Simplify right side
    39,425.34x = 1,220,312,747.22
  5. Step 5: Solve for x
    x = 1,220,312,747.22/39,425.34
  6. Step 6: Final answer
    x = 30,952.50

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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.