Home / 51,550.77-71,144.64-30,039.34

Finding the Fourth Proportional to 51,550.77, 71,144.64 and 30,039.34

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Solution

The fourth proportional to 51,550.77, 71,144.64 and 30,039.34 is: 41,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,550.77 : 71,144.64 = 30,039.34 : x
  2. Step 2: Convert to fraction form
    51,550.77/71,144.64 = 30,039.34/x
  3. Step 3: Cross multiply
    51,550.77x = 71,144.64 × 30,039.34
  4. Step 4: Simplify right side
    51,550.77x = 2,137,138,030.14
  5. Step 5: Solve for x
    x = 2,137,138,030.14/51,550.77
  6. Step 6: Final answer
    x = 41,456.96

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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.