Home / 35,115.70-48,459.82-19,200.49

Finding the Fourth Proportional to 35,115.70, 48,459.82 and 19,200.49

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Solution

The fourth proportional to 35,115.70, 48,459.82 and 19,200.49 is: 26,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.70 : 48,459.82 = 19,200.49 : x
  2. Step 2: Convert to fraction form
    35,115.70/48,459.82 = 19,200.49/x
  3. Step 3: Cross multiply
    35,115.70x = 48,459.82 × 19,200.49
  4. Step 4: Simplify right side
    35,115.70x = 930,452,428.75
  5. Step 5: Solve for x
    x = 930,452,428.75/35,115.70
  6. Step 6: Final answer
    x = 26,496.76

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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.