Home / 55,159.67-76,120.44-30,009.17

Finding the Fourth Proportional to 55,159.67, 76,120.44 and 30,009.17

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Solution

The fourth proportional to 55,159.67, 76,120.44 and 30,009.17 is: 41,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.67 : 76,120.44 = 30,009.17 : x
  2. Step 2: Convert to fraction form
    55,159.67/76,120.44 = 30,009.17/x
  3. Step 3: Cross multiply
    55,159.67x = 76,120.44 × 30,009.17
  4. Step 4: Simplify right side
    55,159.67x = 2,284,311,224.43
  5. Step 5: Solve for x
    x = 2,284,311,224.43/55,159.67
  6. Step 6: Final answer
    x = 41,412.71

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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.