Home / 34,939.48-48,208.96-20,789.56

Finding the Fourth Proportional to 34,939.48, 48,208.96 and 20,789.56

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Solution

The fourth proportional to 34,939.48, 48,208.96 and 20,789.56 is: 28,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,939.48 : 48,208.96 = 20,789.56 : x
  2. Step 2: Convert to fraction form
    34,939.48/48,208.96 = 20,789.56/x
  3. Step 3: Cross multiply
    34,939.48x = 48,208.96 × 20,789.56
  4. Step 4: Simplify right side
    34,939.48x = 1,002,243,066.46
  5. Step 5: Solve for x
    x = 1,002,243,066.46/34,939.48
  6. Step 6: Final answer
    x = 28,685.12

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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.