Home / 51,287.43-76,945.29-18,003.12

Finding the Fourth Proportional to 51,287.43, 76,945.29 and 18,003.12

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Solution

The fourth proportional to 51,287.43, 76,945.29 and 18,003.12 is: 27,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.43 : 76,945.29 = 18,003.12 : x
  2. Step 2: Convert to fraction form
    51,287.43/76,945.29 = 18,003.12/x
  3. Step 3: Cross multiply
    51,287.43x = 76,945.29 × 18,003.12
  4. Step 4: Simplify right side
    51,287.43x = 1,385,255,289.30
  5. Step 5: Solve for x
    x = 1,385,255,289.30/51,287.43
  6. Step 6: Final answer
    x = 27,009.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.