Home / 45,943.06-68,872.97-31,909.71

Finding the Fourth Proportional to 45,943.06, 68,872.97 and 31,909.71

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Solution

The fourth proportional to 45,943.06, 68,872.97 and 31,909.71 is: 47,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,943.06 : 68,872.97 = 31,909.71 : x
  2. Step 2: Convert to fraction form
    45,943.06/68,872.97 = 31,909.71/x
  3. Step 3: Cross multiply
    45,943.06x = 68,872.97 × 31,909.71
  4. Step 4: Simplify right side
    45,943.06x = 2,197,716,499.54
  5. Step 5: Solve for x
    x = 2,197,716,499.54/45,943.06
  6. Step 6: Final answer
    x = 47,835.66

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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.