Home / 61,244.82-91,880.34-21,265.05

Finding the Fourth Proportional to 61,244.82, 91,880.34 and 21,265.05

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Solution

The fourth proportional to 61,244.82, 91,880.34 and 21,265.05 is: 31,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,244.82 : 91,880.34 = 21,265.05 : x
  2. Step 2: Convert to fraction form
    61,244.82/91,880.34 = 21,265.05/x
  3. Step 3: Cross multiply
    61,244.82x = 91,880.34 × 21,265.05
  4. Step 4: Simplify right side
    61,244.82x = 1,953,840,024.12
  5. Step 5: Solve for x
    x = 1,953,840,024.12/61,244.82
  6. Step 6: Final answer
    x = 31,902.13

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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.