Home / 45,370.11-67,922.09-31,814.29

Finding the Fourth Proportional to 45,370.11, 67,922.09 and 31,814.29

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Solution

The fourth proportional to 45,370.11, 67,922.09 and 31,814.29 is: 47,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.11 : 67,922.09 = 31,814.29 : x
  2. Step 2: Convert to fraction form
    45,370.11/67,922.09 = 31,814.29/x
  3. Step 3: Cross multiply
    45,370.11x = 67,922.09 × 31,814.29
  4. Step 4: Simplify right side
    45,370.11x = 2,160,892,910.69
  5. Step 5: Solve for x
    x = 2,160,892,910.69/45,370.11
  6. Step 6: Final answer
    x = 47,628.11

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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.