Home / 38,074.86-57,114.72-11,780.64

Finding the Fourth Proportional to 38,074.86, 57,114.72 and 11,780.64

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Solution

The fourth proportional to 38,074.86, 57,114.72 and 11,780.64 is: 17,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.86 : 57,114.72 = 11,780.64 : x
  2. Step 2: Convert to fraction form
    38,074.86/57,114.72 = 11,780.64/x
  3. Step 3: Cross multiply
    38,074.86x = 57,114.72 × 11,780.64
  4. Step 4: Simplify right side
    38,074.86x = 672,847,955.02
  5. Step 5: Solve for x
    x = 672,847,955.02/38,074.86
  6. Step 6: Final answer
    x = 17,671.71

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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.