Home / 51,153.72-76,738.68-21,580.08

Finding the Fourth Proportional to 51,153.72, 76,738.68 and 21,580.08

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Solution

The fourth proportional to 51,153.72, 76,738.68 and 21,580.08 is: 32,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.72 : 76,738.68 = 21,580.08 : x
  2. Step 2: Convert to fraction form
    51,153.72/76,738.68 = 21,580.08/x
  3. Step 3: Cross multiply
    51,153.72x = 76,738.68 × 21,580.08
  4. Step 4: Simplify right side
    51,153.72x = 1,656,026,853.49
  5. Step 5: Solve for x
    x = 1,656,026,853.49/51,153.72
  6. Step 6: Final answer
    x = 32,373.54

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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.