Home / 51,550.80-71,144.69-30,039.38

Finding the Fourth Proportional to 51,550.80, 71,144.69 and 30,039.38

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Solution

The fourth proportional to 51,550.80, 71,144.69 and 30,039.38 is: 41,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,550.80 : 71,144.69 = 30,039.38 : x
  2. Step 2: Convert to fraction form
    51,550.80/71,144.69 = 30,039.38/x
  3. Step 3: Cross multiply
    51,550.80x = 71,144.69 × 30,039.38
  4. Step 4: Simplify right side
    51,550.80x = 2,137,141,871.97
  5. Step 5: Solve for x
    x = 2,137,141,871.97/51,550.80
  6. Step 6: Final answer
    x = 41,457.01

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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.