Home / 64,139.93-96,220.42-19,766.69

Finding the Fourth Proportional to 64,139.93, 96,220.42 and 19,766.69

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Solution

The fourth proportional to 64,139.93, 96,220.42 and 19,766.69 is: 29,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.93 : 96,220.42 = 19,766.69 : x
  2. Step 2: Convert to fraction form
    64,139.93/96,220.42 = 19,766.69/x
  3. Step 3: Cross multiply
    64,139.93x = 96,220.42 × 19,766.69
  4. Step 4: Simplify right side
    64,139.93x = 1,901,959,213.81
  5. Step 5: Solve for x
    x = 1,901,959,213.81/64,139.93
  6. Step 6: Final answer
    x = 29,653.28

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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.