Home / 38,377.89-57,550.37-13,410.45

Finding the Fourth Proportional to 38,377.89, 57,550.37 and 13,410.45

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Solution

The fourth proportional to 38,377.89, 57,550.37 and 13,410.45 is: 20,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.89 : 57,550.37 = 13,410.45 : x
  2. Step 2: Convert to fraction form
    38,377.89/57,550.37 = 13,410.45/x
  3. Step 3: Cross multiply
    38,377.89x = 57,550.37 × 13,410.45
  4. Step 4: Simplify right side
    38,377.89x = 771,776,292.31
  5. Step 5: Solve for x
    x = 771,776,292.31/38,377.89
  6. Step 6: Final answer
    x = 20,109.92

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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.