Home / 35,346.28-48,757.53-21,190.90

Finding the Fourth Proportional to 35,346.28, 48,757.53 and 21,190.90

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Solution

The fourth proportional to 35,346.28, 48,757.53 and 21,190.90 is: 29,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.28 : 48,757.53 = 21,190.90 : x
  2. Step 2: Convert to fraction form
    35,346.28/48,757.53 = 21,190.90/x
  3. Step 3: Cross multiply
    35,346.28x = 48,757.53 × 21,190.90
  4. Step 4: Simplify right side
    35,346.28x = 1,033,215,942.48
  5. Step 5: Solve for x
    x = 1,033,215,942.48/35,346.28
  6. Step 6: Final answer
    x = 29,231.25

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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.