Home / 35,394.90-48,828.60-21,223.14

Finding the Fourth Proportional to 35,394.90, 48,828.60 and 21,223.14

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Solution

The fourth proportional to 35,394.90, 48,828.60 and 21,223.14 is: 29,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.90 : 48,828.60 = 21,223.14 : x
  2. Step 2: Convert to fraction form
    35,394.90/48,828.60 = 21,223.14/x
  3. Step 3: Cross multiply
    35,394.90x = 48,828.60 × 21,223.14
  4. Step 4: Simplify right side
    35,394.90x = 1,036,296,213.80
  5. Step 5: Solve for x
    x = 1,036,296,213.80/35,394.90
  6. Step 6: Final answer
    x = 29,278.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.