Home / 55,286.08-76,292.72-30,135.04

Finding the Fourth Proportional to 55,286.08, 76,292.72 and 30,135.04

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Solution

The fourth proportional to 55,286.08, 76,292.72 and 30,135.04 is: 41,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,286.08 : 76,292.72 = 30,135.04 : x
  2. Step 2: Convert to fraction form
    55,286.08/76,292.72 = 30,135.04/x
  3. Step 3: Cross multiply
    55,286.08x = 76,292.72 × 30,135.04
  4. Step 4: Simplify right side
    55,286.08x = 2,299,084,168.91
  5. Step 5: Solve for x
    x = 2,299,084,168.91/55,286.08
  6. Step 6: Final answer
    x = 41,585.23

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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.