Home / 55,716.12-76,888.53-30,222.72

Finding the Fourth Proportional to 55,716.12, 76,888.53 and 30,222.72

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Solution

The fourth proportional to 55,716.12, 76,888.53 and 30,222.72 is: 41,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.12 : 76,888.53 = 30,222.72 : x
  2. Step 2: Convert to fraction form
    55,716.12/76,888.53 = 30,222.72/x
  3. Step 3: Cross multiply
    55,716.12x = 76,888.53 × 30,222.72
  4. Step 4: Simplify right side
    55,716.12x = 2,323,780,513.40
  5. Step 5: Solve for x
    x = 2,323,780,513.40/55,716.12
  6. Step 6: Final answer
    x = 41,707.51

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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.