Home / 76,379.28-114,490.74-32,031.72

Finding the Fourth Proportional to 76,379.28, 114,490.74 and 32,031.72

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Solution

The fourth proportional to 76,379.28, 114,490.74 and 32,031.72 is: 48,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379.28 : 114,490.74 = 32,031.72 : x
  2. Step 2: Convert to fraction form
    76,379.28/114,490.74 = 32,031.72/x
  3. Step 3: Cross multiply
    76,379.28x = 114,490.74 × 32,031.72
  4. Step 4: Simplify right side
    76,379.28x = 3,667,335,326.27
  5. Step 5: Solve for x
    x = 3,667,335,326.27/76,379.28
  6. Step 6: Final answer
    x = 48,014.79

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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.