Home / 51,259.24-76,923.06-17,979.28

Finding the Fourth Proportional to 51,259.24, 76,923.06 and 17,979.28

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Solution

The fourth proportional to 51,259.24, 76,923.06 and 17,979.28 is: 26,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.24 : 76,923.06 = 17,979.28 : x
  2. Step 2: Convert to fraction form
    51,259.24/76,923.06 = 17,979.28/x
  3. Step 3: Cross multiply
    51,259.24x = 76,923.06 × 17,979.28
  4. Step 4: Simplify right side
    51,259.24x = 1,383,021,234.20
  5. Step 5: Solve for x
    x = 1,383,021,234.20/51,259.24
  6. Step 6: Final answer
    x = 26,980.92

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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.