Home / 67,830.90-101,744.79-17,914.51

Finding the Fourth Proportional to 67,830.90, 101,744.79 and 17,914.51

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Solution

The fourth proportional to 67,830.90, 101,744.79 and 17,914.51 is: 26,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,830.90 : 101,744.79 = 17,914.51 : x
  2. Step 2: Convert to fraction form
    67,830.90/101,744.79 = 17,914.51/x
  3. Step 3: Cross multiply
    67,830.90x = 101,744.79 × 17,914.51
  4. Step 4: Simplify right side
    67,830.90x = 1,822,708,057.90
  5. Step 5: Solve for x
    x = 1,822,708,057.90/67,830.90
  6. Step 6: Final answer
    x = 26,871.35

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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.