Home / 51,843.04-71,555.10-31,716.70

Finding the Fourth Proportional to 51,843.04, 71,555.10 and 31,716.70

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Solution

The fourth proportional to 51,843.04, 71,555.10 and 31,716.70 is: 43,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,843.04 : 71,555.10 = 31,716.70 : x
  2. Step 2: Convert to fraction form
    51,843.04/71,555.10 = 31,716.70/x
  3. Step 3: Cross multiply
    51,843.04x = 71,555.10 × 31,716.70
  4. Step 4: Simplify right side
    51,843.04x = 2,269,491,342.34
  5. Step 5: Solve for x
    x = 2,269,491,342.34/51,843.04
  6. Step 6: Final answer
    x = 43,776.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.