Home / 73,748.18-110,622.87-21,159.33

Finding the Fourth Proportional to 73,748.18, 110,622.87 and 21,159.33

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Solution

The fourth proportional to 73,748.18, 110,622.87 and 21,159.33 is: 31,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,748.18 : 110,622.87 = 21,159.33 : x
  2. Step 2: Convert to fraction form
    73,748.18/110,622.87 = 21,159.33/x
  3. Step 3: Cross multiply
    73,748.18x = 110,622.87 × 21,159.33
  4. Step 4: Simplify right side
    73,748.18x = 2,340,705,811.88
  5. Step 5: Solve for x
    x = 2,340,705,811.88/73,748.18
  6. Step 6: Final answer
    x = 31,739.17

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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.