Home / 64,497.95-96,743.51-20,119.62

Finding the Fourth Proportional to 64,497.95, 96,743.51 and 20,119.62

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Solution

The fourth proportional to 64,497.95, 96,743.51 and 20,119.62 is: 30,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497.95 : 96,743.51 = 20,119.62 : x
  2. Step 2: Convert to fraction form
    64,497.95/96,743.51 = 20,119.62/x
  3. Step 3: Cross multiply
    64,497.95x = 96,743.51 × 20,119.62
  4. Step 4: Simplify right side
    64,497.95x = 1,946,442,708.97
  5. Step 5: Solve for x
    x = 1,946,442,708.97/64,497.95
  6. Step 6: Final answer
    x = 30,178.36

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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.