Home / 34,809.30-48,034.89-20,663.46

Finding the Fourth Proportional to 34,809.30, 48,034.89 and 20,663.46

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Solution

The fourth proportional to 34,809.30, 48,034.89 and 20,663.46 is: 28,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.30 : 48,034.89 = 20,663.46 : x
  2. Step 2: Convert to fraction form
    34,809.30/48,034.89 = 20,663.46/x
  3. Step 3: Cross multiply
    34,809.30x = 48,034.89 × 20,663.46
  4. Step 4: Simplify right side
    34,809.30x = 992,567,028.12
  5. Step 5: Solve for x
    x = 992,567,028.12/34,809.30
  6. Step 6: Final answer
    x = 28,514.42

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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.