Home / 38,744.07-58,116.34-13,785.09

Finding the Fourth Proportional to 38,744.07, 58,116.34 and 13,785.09

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Solution

The fourth proportional to 38,744.07, 58,116.34 and 13,785.09 is: 20,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,744.07 : 58,116.34 = 13,785.09 : x
  2. Step 2: Convert to fraction form
    38,744.07/58,116.34 = 13,785.09/x
  3. Step 3: Cross multiply
    38,744.07x = 58,116.34 × 13,785.09
  4. Step 4: Simplify right side
    38,744.07x = 801,138,699.12
  5. Step 5: Solve for x
    x = 801,138,699.12/38,744.07
  6. Step 6: Final answer
    x = 20,677.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.