Home / 35,211.91-48,593.78-20,107.03

Finding the Fourth Proportional to 35,211.91, 48,593.78 and 20,107.03

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Solution

The fourth proportional to 35,211.91, 48,593.78 and 20,107.03 is: 27,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.91 : 48,593.78 = 20,107.03 : x
  2. Step 2: Convert to fraction form
    35,211.91/48,593.78 = 20,107.03/x
  3. Step 3: Cross multiply
    35,211.91x = 48,593.78 × 20,107.03
  4. Step 4: Simplify right side
    35,211.91x = 977,076,592.27
  5. Step 5: Solve for x
    x = 977,076,592.27/35,211.91
  6. Step 6: Final answer
    x = 27,748.47

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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.