Home / 64,140.12-96,211.62-22,019.88

Finding the Fourth Proportional to 64,140.12, 96,211.62 and 22,019.88

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Solution

The fourth proportional to 64,140.12, 96,211.62 and 22,019.88 is: 33,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.12 : 96,211.62 = 22,019.88 : x
  2. Step 2: Convert to fraction form
    64,140.12/96,211.62 = 22,019.88/x
  3. Step 3: Cross multiply
    64,140.12x = 96,211.62 × 22,019.88
  4. Step 4: Simplify right side
    64,140.12x = 2,118,568,327.01
  5. Step 5: Solve for x
    x = 2,118,568,327.01/64,140.12
  6. Step 6: Final answer
    x = 33,030.31

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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.