Home / 51,068.22-76,632.30-21,483.78

Finding the Fourth Proportional to 51,068.22, 76,632.30 and 21,483.78

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Solution

The fourth proportional to 51,068.22, 76,632.30 and 21,483.78 is: 32,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068.22 : 76,632.30 = 21,483.78 : x
  2. Step 2: Convert to fraction form
    51,068.22/76,632.30 = 21,483.78/x
  3. Step 3: Cross multiply
    51,068.22x = 76,632.30 × 21,483.78
  4. Step 4: Simplify right side
    51,068.22x = 1,646,351,474.09
  5. Step 5: Solve for x
    x = 1,646,351,474.09/51,068.22
  6. Step 6: Final answer
    x = 32,238.28

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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.