Home / 73,259.10-109,909.26-20,669.04

Finding the Fourth Proportional to 73,259.10, 109,909.26 and 20,669.04

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Solution

The fourth proportional to 73,259.10, 109,909.26 and 20,669.04 is: 31,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.10 : 109,909.26 = 20,669.04 : x
  2. Step 2: Convert to fraction form
    73,259.10/109,909.26 = 20,669.04/x
  3. Step 3: Cross multiply
    73,259.10x = 109,909.26 × 20,669.04
  4. Step 4: Simplify right side
    73,259.10x = 2,271,718,891.31
  5. Step 5: Solve for x
    x = 2,271,718,891.31/73,259.10
  6. Step 6: Final answer
    x = 31,009.37

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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.