Home / 76,353.51-114,575.09-31,976.85

Finding the Fourth Proportional to 76,353.51, 114,575.09 and 31,976.85

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Solution

The fourth proportional to 76,353.51, 114,575.09 and 31,976.85 is: 47,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,353.51 : 114,575.09 = 31,976.85 : x
  2. Step 2: Convert to fraction form
    76,353.51/114,575.09 = 31,976.85/x
  3. Step 3: Cross multiply
    76,353.51x = 114,575.09 × 31,976.85
  4. Step 4: Simplify right side
    76,353.51x = 3,663,750,306.78
  5. Step 5: Solve for x
    x = 3,663,750,306.78/76,353.51
  6. Step 6: Final answer
    x = 47,984.05

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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.