Home / 39,306.47-54,241.13-21,401.44

Finding the Fourth Proportional to 39,306.47, 54,241.13 and 21,401.44

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Solution

The fourth proportional to 39,306.47, 54,241.13 and 21,401.44 is: 29,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.47 : 54,241.13 = 21,401.44 : x
  2. Step 2: Convert to fraction form
    39,306.47/54,241.13 = 21,401.44/x
  3. Step 3: Cross multiply
    39,306.47x = 54,241.13 × 21,401.44
  4. Step 4: Simplify right side
    39,306.47x = 1,160,838,207.13
  5. Step 5: Solve for x
    x = 1,160,838,207.13/39,306.47
  6. Step 6: Final answer
    x = 29,533.01

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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.