Home / 39,353.85-54,306.90-21,448.49

Finding the Fourth Proportional to 39,353.85, 54,306.90 and 21,448.49

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Solution

The fourth proportional to 39,353.85, 54,306.90 and 21,448.49 is: 29,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.85 : 54,306.90 = 21,448.49 : x
  2. Step 2: Convert to fraction form
    39,353.85/54,306.90 = 21,448.49/x
  3. Step 3: Cross multiply
    39,353.85x = 54,306.90 × 21,448.49
  4. Step 4: Simplify right side
    39,353.85x = 1,164,800,730.05
  5. Step 5: Solve for x
    x = 1,164,800,730.05/39,353.85
  6. Step 6: Final answer
    x = 29,598.14

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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.