Home / 64,112.76-96,178.23-19,743.12

Finding the Fourth Proportional to 64,112.76, 96,178.23 and 19,743.12

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Solution

The fourth proportional to 64,112.76, 96,178.23 and 19,743.12 is: 29,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.76 : 96,178.23 = 19,743.12 : x
  2. Step 2: Convert to fraction form
    64,112.76/96,178.23 = 19,743.12/x
  3. Step 3: Cross multiply
    64,112.76x = 96,178.23 × 19,743.12
  4. Step 4: Simplify right side
    64,112.76x = 1,898,858,336.28
  5. Step 5: Solve for x
    x = 1,898,858,336.28/64,112.76
  6. Step 6: Final answer
    x = 29,617.48

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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.