Home / 64,139.22-96,217.88-19,769.58

Finding the Fourth Proportional to 64,139.22, 96,217.88 and 19,769.58

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Solution

The fourth proportional to 64,139.22, 96,217.88 and 19,769.58 is: 29,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.22 : 96,217.88 = 19,769.58 : x
  2. Step 2: Convert to fraction form
    64,139.22/96,217.88 = 19,769.58/x
  3. Step 3: Cross multiply
    64,139.22x = 96,217.88 × 19,769.58
  4. Step 4: Simplify right side
    64,139.22x = 1,902,187,076.09
  5. Step 5: Solve for x
    x = 1,902,187,076.09/64,139.22
  6. Step 6: Final answer
    x = 29,657.16

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1.5x scale

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.