Home / 40,972.64-61,497.23-21,265.03

Finding the Fourth Proportional to 40,972.64, 61,497.23 and 21,265.03

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Solution

The fourth proportional to 40,972.64, 61,497.23 and 21,265.03 is: 31,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,972.64 : 61,497.23 = 21,265.03 : x
  2. Step 2: Convert to fraction form
    40,972.64/61,497.23 = 21,265.03/x
  3. Step 3: Cross multiply
    40,972.64x = 61,497.23 × 21,265.03
  4. Step 4: Simplify right side
    40,972.64x = 1,307,740,411.41
  5. Step 5: Solve for x
    x = 1,307,740,411.41/40,972.64
  6. Step 6: Final answer
    x = 31,917.41

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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.