Home / 39,425.84-54,408.28-22,429.68

Finding the Fourth Proportional to 39,425.84, 54,408.28 and 22,429.68

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Solution

The fourth proportional to 39,425.84, 54,408.28 and 22,429.68 is: 30,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.84 : 54,408.28 = 22,429.68 : x
  2. Step 2: Convert to fraction form
    39,425.84/54,408.28 = 22,429.68/x
  3. Step 3: Cross multiply
    39,425.84x = 54,408.28 × 22,429.68
  4. Step 4: Simplify right side
    39,425.84x = 1,220,360,309.75
  5. Step 5: Solve for x
    x = 1,220,360,309.75/39,425.84
  6. Step 6: Final answer
    x = 30,953.31

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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.