Home / 64,266.28-96,403.49-19,889.30

Finding the Fourth Proportional to 64,266.28, 96,403.49 and 19,889.30

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Solution

The fourth proportional to 64,266.28, 96,403.49 and 19,889.30 is: 29,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,266.28 : 96,403.49 = 19,889.30 : x
  2. Step 2: Convert to fraction form
    64,266.28/96,403.49 = 19,889.30/x
  3. Step 3: Cross multiply
    64,266.28x = 96,403.49 × 19,889.30
  4. Step 4: Simplify right side
    64,266.28x = 1,917,398,224.39
  5. Step 5: Solve for x
    x = 1,917,398,224.39/64,266.28
  6. Step 6: Final answer
    x = 29,835.22

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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.