Home / 42,693.57-63,996.60-17,748.09

Finding the Fourth Proportional to 42,693.57, 63,996.60 and 17,748.09

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Solution

The fourth proportional to 42,693.57, 63,996.60 and 17,748.09 is: 26,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,693.57 : 63,996.60 = 17,748.09 : x
  2. Step 2: Convert to fraction form
    42,693.57/63,996.60 = 17,748.09/x
  3. Step 3: Cross multiply
    42,693.57x = 63,996.60 × 17,748.09
  4. Step 4: Simplify right side
    42,693.57x = 1,135,817,416.49
  5. Step 5: Solve for x
    x = 1,135,817,416.49/42,693.57
  6. Step 6: Final answer
    x = 26,603.95

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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.