Home / 51,225.49-76,819.76-21,645.62

Finding the Fourth Proportional to 51,225.49, 76,819.76 and 21,645.62

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Solution

The fourth proportional to 51,225.49, 76,819.76 and 21,645.62 is: 32,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.49 : 76,819.76 = 21,645.62 : x
  2. Step 2: Convert to fraction form
    51,225.49/76,819.76 = 21,645.62/x
  3. Step 3: Cross multiply
    51,225.49x = 76,819.76 × 21,645.62
  4. Step 4: Simplify right side
    51,225.49x = 1,662,810,841.12
  5. Step 5: Solve for x
    x = 1,662,810,841.12/51,225.49
  6. Step 6: Final answer
    x = 32,460.62

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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.