Home / 74,958.21-112,437.32-30,605.85

Finding the Fourth Proportional to 74,958.21, 112,437.32 and 30,605.85

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Solution

The fourth proportional to 74,958.21, 112,437.32 and 30,605.85 is: 45,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.21 : 112,437.32 = 30,605.85 : x
  2. Step 2: Convert to fraction form
    74,958.21/112,437.32 = 30,605.85/x
  3. Step 3: Cross multiply
    74,958.21x = 112,437.32 × 30,605.85
  4. Step 4: Simplify right side
    74,958.21x = 3,441,239,597.29
  5. Step 5: Solve for x
    x = 3,441,239,597.29/74,958.21
  6. Step 6: Final answer
    x = 45,908.78

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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.