Home / 76,046.86-114,041.25-30,440.62

Finding the Fourth Proportional to 76,046.86, 114,041.25 and 30,440.62

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Solution

The fourth proportional to 76,046.86, 114,041.25 and 30,440.62 is: 45,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,046.86 : 114,041.25 = 30,440.62 : x
  2. Step 2: Convert to fraction form
    76,046.86/114,041.25 = 30,440.62/x
  3. Step 3: Cross multiply
    76,046.86x = 114,041.25 × 30,440.62
  4. Step 4: Simplify right side
    76,046.86x = 3,471,486,355.58
  5. Step 5: Solve for x
    x = 3,471,486,355.58/76,046.86
  6. Step 6: Final answer
    x = 45,649.31

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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.