Home / 40,904.19-61,276.10-21,195.68

Finding the Fourth Proportional to 40,904.19, 61,276.10 and 21,195.68

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Solution

The fourth proportional to 40,904.19, 61,276.10 and 21,195.68 is: 31,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.19 : 61,276.10 = 21,195.68 : x
  2. Step 2: Convert to fraction form
    40,904.19/61,276.10 = 21,195.68/x
  3. Step 3: Cross multiply
    40,904.19x = 61,276.10 × 21,195.68
  4. Step 4: Simplify right side
    40,904.19x = 1,298,788,194.89
  5. Step 5: Solve for x
    x = 1,298,788,194.89/40,904.19
  6. Step 6: Final answer
    x = 31,751.96

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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.