Home / 64,272.48-96,403.86-19,899.60

Finding the Fourth Proportional to 64,272.48, 96,403.86 and 19,899.60

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Solution

The fourth proportional to 64,272.48, 96,403.86 and 19,899.60 is: 29,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272.48 : 96,403.86 = 19,899.60 : x
  2. Step 2: Convert to fraction form
    64,272.48/96,403.86 = 19,899.60/x
  3. Step 3: Cross multiply
    64,272.48x = 96,403.86 × 19,899.60
  4. Step 4: Simplify right side
    64,272.48x = 1,918,398,252.46
  5. Step 5: Solve for x
    x = 1,918,398,252.46/64,272.48
  6. Step 6: Final answer
    x = 29,847.90

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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.