Home / 64,641.89-96,962.84-20,272.52

Finding the Fourth Proportional to 64,641.89, 96,962.84 and 20,272.52

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Solution

The fourth proportional to 64,641.89, 96,962.84 and 20,272.52 is: 30,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,641.89 : 96,962.84 = 20,272.52 : x
  2. Step 2: Convert to fraction form
    64,641.89/96,962.84 = 20,272.52/x
  3. Step 3: Cross multiply
    64,641.89x = 96,962.84 × 20,272.52
  4. Step 4: Simplify right side
    64,641.89x = 1,965,681,113.16
  5. Step 5: Solve for x
    x = 1,965,681,113.16/64,641.89
  6. Step 6: Final answer
    x = 30,408.78

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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.