Home / 67,987.38-101,924.91-30,009.60

Finding the Fourth Proportional to 67,987.38, 101,924.91 and 30,009.60

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Solution

The fourth proportional to 67,987.38, 101,924.91 and 30,009.60 is: 44,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,987.38 : 101,924.91 = 30,009.60 : x
  2. Step 2: Convert to fraction form
    67,987.38/101,924.91 = 30,009.60/x
  3. Step 3: Cross multiply
    67,987.38x = 101,924.91 × 30,009.60
  4. Step 4: Simplify right side
    67,987.38x = 3,058,725,779.14
  5. Step 5: Solve for x
    x = 3,058,725,779.14/67,987.38
  6. Step 6: Final answer
    x = 44,989.61

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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.