Home / 55,716.77-76,888.49-30,222.65

Finding the Fourth Proportional to 55,716.77, 76,888.49 and 30,222.65

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Solution

The fourth proportional to 55,716.77, 76,888.49 and 30,222.65 is: 41,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.77 : 76,888.49 = 30,222.65 : x
  2. Step 2: Convert to fraction form
    55,716.77/76,888.49 = 30,222.65/x
  3. Step 3: Cross multiply
    55,716.77x = 76,888.49 × 30,222.65
  4. Step 4: Simplify right side
    55,716.77x = 2,323,773,386.74
  5. Step 5: Solve for x
    x = 2,323,773,386.74/55,716.77
  6. Step 6: Final answer
    x = 41,706.90

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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.