Home / 55,584.68-76,707.16-30,434.18

Finding the Fourth Proportional to 55,584.68, 76,707.16 and 30,434.18

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Solution

The fourth proportional to 55,584.68, 76,707.16 and 30,434.18 is: 41,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,584.68 : 76,707.16 = 30,434.18 : x
  2. Step 2: Convert to fraction form
    55,584.68/76,707.16 = 30,434.18/x
  3. Step 3: Cross multiply
    55,584.68x = 76,707.16 × 30,434.18
  4. Step 4: Simplify right side
    55,584.68x = 2,334,519,514.73
  5. Step 5: Solve for x
    x = 2,334,519,514.73/55,584.68
  6. Step 6: Final answer
    x = 41,999.33

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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.