Home / 40,829.76-61,195.44-21,097.68

Finding the Fourth Proportional to 40,829.76, 61,195.44 and 21,097.68

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Solution

The fourth proportional to 40,829.76, 61,195.44 and 21,097.68 is: 31,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.76 : 61,195.44 = 21,097.68 : x
  2. Step 2: Convert to fraction form
    40,829.76/61,195.44 = 21,097.68/x
  3. Step 3: Cross multiply
    40,829.76x = 61,195.44 × 21,097.68
  4. Step 4: Simplify right side
    40,829.76x = 1,291,081,810.58
  5. Step 5: Solve for x
    x = 1,291,081,810.58/40,829.76
  6. Step 6: Final answer
    x = 31,621.10

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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.