Home / 55,716.36-76,888.12-30,222.66

Finding the Fourth Proportional to 55,716.36, 76,888.12 and 30,222.66

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Solution

The fourth proportional to 55,716.36, 76,888.12 and 30,222.66 is: 41,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.36 : 76,888.12 = 30,222.66 : x
  2. Step 2: Convert to fraction form
    55,716.36/76,888.12 = 30,222.66/x
  3. Step 3: Cross multiply
    55,716.36x = 76,888.12 × 30,222.66
  4. Step 4: Simplify right side
    55,716.36x = 2,323,763,508.80
  5. Step 5: Solve for x
    x = 2,323,763,508.80/55,716.36
  6. Step 6: Final answer
    x = 41,707.02

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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.