Home / 35,313.75-48,732.98-19,398.47

Finding the Fourth Proportional to 35,313.75, 48,732.98 and 19,398.47

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Solution

The fourth proportional to 35,313.75, 48,732.98 and 19,398.47 is: 26,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.75 : 48,732.98 = 19,398.47 : x
  2. Step 2: Convert to fraction form
    35,313.75/48,732.98 = 19,398.47/x
  3. Step 3: Cross multiply
    35,313.75x = 48,732.98 × 19,398.47
  4. Step 4: Simplify right side
    35,313.75x = 945,345,250.54
  5. Step 5: Solve for x
    x = 945,345,250.54/35,313.75
  6. Step 6: Final answer
    x = 26,769.89

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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.