Home / 67,664.90-101,490.06-17,750

Finding the Fourth Proportional to 67,664.90, 101,490.06 and 17,750

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Solution

The fourth proportional to 67,664.90, 101,490.06 and 17,750 is: 26,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,664.90 : 101,490.06 = 17,750 : x
  2. Step 2: Convert to fraction form
    67,664.90/101,490.06 = 17,750/x
  3. Step 3: Cross multiply
    67,664.90x = 101,490.06 × 17,750
  4. Step 4: Simplify right side
    67,664.90x = 1,801,448,565
  5. Step 5: Solve for x
    x = 1,801,448,565/67,664.90
  6. Step 6: Final answer
    x = 26,623.09

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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.