Home / 64,641.39-96,962.09-20,272.02

Finding the Fourth Proportional to 64,641.39, 96,962.09 and 20,272.02

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Solution

The fourth proportional to 64,641.39, 96,962.09 and 20,272.02 is: 30,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,641.39 : 96,962.09 = 20,272.02 : x
  2. Step 2: Convert to fraction form
    64,641.39/96,962.09 = 20,272.02/x
  3. Step 3: Cross multiply
    64,641.39x = 96,962.09 × 20,272.02
  4. Step 4: Simplify right side
    64,641.39x = 1,965,617,427.72
  5. Step 5: Solve for x
    x = 1,965,617,427.72/64,641.39
  6. Step 6: Final answer
    x = 30,408.03

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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.