Home / 42,541.97-63,822.45-12,962.12

Finding the Fourth Proportional to 42,541.97, 63,822.45 and 12,962.12

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Solution

The fourth proportional to 42,541.97, 63,822.45 and 12,962.12 is: 19,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.97 : 63,822.45 = 12,962.12 : x
  2. Step 2: Convert to fraction form
    42,541.97/63,822.45 = 12,962.12/x
  3. Step 3: Cross multiply
    42,541.97x = 63,822.45 × 12,962.12
  4. Step 4: Simplify right side
    42,541.97x = 827,273,936.48
  5. Step 5: Solve for x
    x = 827,273,936.48/42,541.97
  6. Step 6: Final answer
    x = 19,446.07

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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.