Home / 76,011.15-114,016.73-20,607.15

Finding the Fourth Proportional to 76,011.15, 114,016.73 and 20,607.15

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Solution

The fourth proportional to 76,011.15, 114,016.73 and 20,607.15 is: 30,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,011.15 : 114,016.73 = 20,607.15 : x
  2. Step 2: Convert to fraction form
    76,011.15/114,016.73 = 20,607.15/x
  3. Step 3: Cross multiply
    76,011.15x = 114,016.73 × 20,607.15
  4. Step 4: Simplify right side
    76,011.15x = 2,349,559,754.58
  5. Step 5: Solve for x
    x = 2,349,559,754.58/76,011.15
  6. Step 6: Final answer
    x = 30,910.73

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Similar ratio
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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.