Home / 45,236.27-67,887.21-31,821.08

Finding the Fourth Proportional to 45,236.27, 67,887.21 and 31,821.08

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Solution

The fourth proportional to 45,236.27, 67,887.21 and 31,821.08 is: 47,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.27 : 67,887.21 = 31,821.08 : x
  2. Step 2: Convert to fraction form
    45,236.27/67,887.21 = 31,821.08/x
  3. Step 3: Cross multiply
    45,236.27x = 67,887.21 × 31,821.08
  4. Step 4: Simplify right side
    45,236.27x = 2,160,244,311.21
  5. Step 5: Solve for x
    x = 2,160,244,311.21/45,236.27
  6. Step 6: Final answer
    x = 47,754.69

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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.