Home / 39,305.05-54,241.93-21,401.04

Finding the Fourth Proportional to 39,305.05, 54,241.93 and 21,401.04

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Solution

The fourth proportional to 39,305.05, 54,241.93 and 21,401.04 is: 29,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.05 : 54,241.93 = 21,401.04 : x
  2. Step 2: Convert to fraction form
    39,305.05/54,241.93 = 21,401.04/x
  3. Step 3: Cross multiply
    39,305.05x = 54,241.93 × 21,401.04
  4. Step 4: Simplify right side
    39,305.05x = 1,160,833,425.91
  5. Step 5: Solve for x
    x = 1,160,833,425.91/39,305.05
  6. Step 6: Final answer
    x = 29,533.95

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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.