Home / 55,110.24-76,053.74-31,236.12

Finding the Fourth Proportional to 55,110.24, 76,053.74 and 31,236.12

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Solution

The fourth proportional to 55,110.24, 76,053.74 and 31,236.12 is: 43,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.24 : 76,053.74 = 31,236.12 : x
  2. Step 2: Convert to fraction form
    55,110.24/76,053.74 = 31,236.12/x
  3. Step 3: Cross multiply
    55,110.24x = 76,053.74 × 31,236.12
  4. Step 4: Simplify right side
    55,110.24x = 2,375,623,592.91
  5. Step 5: Solve for x
    x = 2,375,623,592.91/55,110.24
  6. Step 6: Final answer
    x = 43,106.75

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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.