Home / 42,541.14-63,820.82-12,961.36

Finding the Fourth Proportional to 42,541.14, 63,820.82 and 12,961.36

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Solution

The fourth proportional to 42,541.14, 63,820.82 and 12,961.36 is: 19,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.14 : 63,820.82 = 12,961.36 : x
  2. Step 2: Convert to fraction form
    42,541.14/63,820.82 = 12,961.36/x
  3. Step 3: Cross multiply
    42,541.14x = 63,820.82 × 12,961.36
  4. Step 4: Simplify right side
    42,541.14x = 827,204,623.52
  5. Step 5: Solve for x
    x = 827,204,623.52/42,541.14
  6. Step 6: Final answer
    x = 19,444.82

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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.