Home / 61,821.90-85,313.20-34,963.40

Finding the Fourth Proportional to 61,821.90, 85,313.20 and 34,963.40

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Solution

The fourth proportional to 61,821.90, 85,313.20 and 34,963.40 is: 48,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.90 : 85,313.20 = 34,963.40 : x
  2. Step 2: Convert to fraction form
    61,821.90/85,313.20 = 34,963.40/x
  3. Step 3: Cross multiply
    61,821.90x = 85,313.20 × 34,963.40
  4. Step 4: Simplify right side
    61,821.90x = 2,982,839,536.88
  5. Step 5: Solve for x
    x = 2,982,839,536.88/61,821.90
  6. Step 6: Final answer
    x = 48,248.91

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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.