Home / 51,230.34-76,853.46-21,648.30

Finding the Fourth Proportional to 51,230.34, 76,853.46 and 21,648.30

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Solution

The fourth proportional to 51,230.34, 76,853.46 and 21,648.30 is: 32,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,230.34 : 76,853.46 = 21,648.30 : x
  2. Step 2: Convert to fraction form
    51,230.34/76,853.46 = 21,648.30/x
  3. Step 3: Cross multiply
    51,230.34x = 76,853.46 × 21,648.30
  4. Step 4: Simplify right side
    51,230.34x = 1,663,746,758.12
  5. Step 5: Solve for x
    x = 1,663,746,758.12/51,230.34
  6. Step 6: Final answer
    x = 32,475.81

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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.