Home / 42,601.11-63,905.13-17,636.49

Finding the Fourth Proportional to 42,601.11, 63,905.13 and 17,636.49

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Solution

The fourth proportional to 42,601.11, 63,905.13 and 17,636.49 is: 26,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601.11 : 63,905.13 = 17,636.49 : x
  2. Step 2: Convert to fraction form
    42,601.11/63,905.13 = 17,636.49/x
  3. Step 3: Cross multiply
    42,601.11x = 63,905.13 × 17,636.49
  4. Step 4: Simplify right side
    42,601.11x = 1,127,062,186.19
  5. Step 5: Solve for x
    x = 1,127,062,186.19/42,601.11
  6. Step 6: Final answer
    x = 26,456.17

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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.