Home / 38,310.86-57,447.78-13,350.32

Finding the Fourth Proportional to 38,310.86, 57,447.78 and 13,350.32

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Solution

The fourth proportional to 38,310.86, 57,447.78 and 13,350.32 is: 20,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.86 : 57,447.78 = 13,350.32 : x
  2. Step 2: Convert to fraction form
    38,310.86/57,447.78 = 13,350.32/x
  3. Step 3: Cross multiply
    38,310.86x = 57,447.78 × 13,350.32
  4. Step 4: Simplify right side
    38,310.86x = 766,946,246.29
  5. Step 5: Solve for x
    x = 766,946,246.29/38,310.86
  6. Step 6: Final answer
    x = 20,019.03

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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.