Home / 52,987.76-73,120.37-29,109.87

Finding the Fourth Proportional to 52,987.76, 73,120.37 and 29,109.87

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Solution

The fourth proportional to 52,987.76, 73,120.37 and 29,109.87 is: 40,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.76 : 73,120.37 = 29,109.87 : x
  2. Step 2: Convert to fraction form
    52,987.76/73,120.37 = 29,109.87/x
  3. Step 3: Cross multiply
    52,987.76x = 73,120.37 × 29,109.87
  4. Step 4: Simplify right side
    52,987.76x = 2,128,524,319.50
  5. Step 5: Solve for x
    x = 2,128,524,319.50/52,987.76
  6. Step 6: Final answer
    x = 40,170.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.