Home / 55,219.33-76,199.97-31,345.66

Finding the Fourth Proportional to 55,219.33, 76,199.97 and 31,345.66

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Solution

The fourth proportional to 55,219.33, 76,199.97 and 31,345.66 is: 43,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.33 : 76,199.97 = 31,345.66 : x
  2. Step 2: Convert to fraction form
    55,219.33/76,199.97 = 31,345.66/x
  3. Step 3: Cross multiply
    55,219.33x = 76,199.97 × 31,345.66
  4. Step 4: Simplify right side
    55,219.33x = 2,388,538,351.63
  5. Step 5: Solve for x
    x = 2,388,538,351.63/55,219.33
  6. Step 6: Final answer
    x = 43,255.48

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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.