Home / 38,349.74-57,550.90-13,389.79

Finding the Fourth Proportional to 38,349.74, 57,550.90 and 13,389.79

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Solution

The fourth proportional to 38,349.74, 57,550.90 and 13,389.79 is: 20,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,349.74 : 57,550.90 = 13,389.79 : x
  2. Step 2: Convert to fraction form
    38,349.74/57,550.90 = 13,389.79/x
  3. Step 3: Cross multiply
    38,349.74x = 57,550.90 × 13,389.79
  4. Step 4: Simplify right side
    38,349.74x = 770,594,465.31
  5. Step 5: Solve for x
    x = 770,594,465.31/38,349.74
  6. Step 6: Final answer
    x = 20,093.86

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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.