Home / 76,340.34-114,432.12-31,992.84

Finding the Fourth Proportional to 76,340.34, 114,432.12 and 31,992.84

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Solution

The fourth proportional to 76,340.34, 114,432.12 and 31,992.84 is: 47,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,340.34 : 114,432.12 = 31,992.84 : x
  2. Step 2: Convert to fraction form
    76,340.34/114,432.12 = 31,992.84/x
  3. Step 3: Cross multiply
    76,340.34x = 114,432.12 × 31,992.84
  4. Step 4: Simplify right side
    76,340.34x = 3,661,008,506.02
  5. Step 5: Solve for x
    x = 3,661,008,506.02/76,340.34
  6. Step 6: Final answer
    x = 47,956.41

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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.