Home / 51,816.27-77,698.85-21,825.03

Finding the Fourth Proportional to 51,816.27, 77,698.85 and 21,825.03

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Solution

The fourth proportional to 51,816.27, 77,698.85 and 21,825.03 is: 32,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.27 : 77,698.85 = 21,825.03 : x
  2. Step 2: Convert to fraction form
    51,816.27/77,698.85 = 21,825.03/x
  3. Step 3: Cross multiply
    51,816.27x = 77,698.85 × 21,825.03
  4. Step 4: Simplify right side
    51,816.27x = 1,695,779,623.09
  5. Step 5: Solve for x
    x = 1,695,779,623.09/51,816.27
  6. Step 6: Final answer
    x = 32,726.78

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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.