Home / 55,736.57-76,912.68-30,587.69

Finding the Fourth Proportional to 55,736.57, 76,912.68 and 30,587.69

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Solution

The fourth proportional to 55,736.57, 76,912.68 and 30,587.69 is: 42,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.57 : 76,912.68 = 30,587.69 : x
  2. Step 2: Convert to fraction form
    55,736.57/76,912.68 = 30,587.69/x
  3. Step 3: Cross multiply
    55,736.57x = 76,912.68 × 30,587.69
  4. Step 4: Simplify right side
    55,736.57x = 2,352,581,212.91
  5. Step 5: Solve for x
    x = 2,352,581,212.91/55,736.57
  6. Step 6: Final answer
    x = 42,208.93

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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.