Home / 55,636.74-76,778.73-30,486.24

Finding the Fourth Proportional to 55,636.74, 76,778.73 and 30,486.24

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Solution

The fourth proportional to 55,636.74, 76,778.73 and 30,486.24 is: 42,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636.74 : 76,778.73 = 30,486.24 : x
  2. Step 2: Convert to fraction form
    55,636.74/76,778.73 = 30,486.24/x
  3. Step 3: Cross multiply
    55,636.74x = 76,778.73 × 30,486.24
  4. Step 4: Simplify right side
    55,636.74x = 2,340,694,789.68
  5. Step 5: Solve for x
    x = 2,340,694,789.68/55,636.74
  6. Step 6: Final answer
    x = 42,071.03

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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.