Home / 64,588.71-96,830.78-20,192.61

Finding the Fourth Proportional to 64,588.71, 96,830.78 and 20,192.61

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Solution

The fourth proportional to 64,588.71, 96,830.78 and 20,192.61 is: 30,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,588.71 : 96,830.78 = 20,192.61 : x
  2. Step 2: Convert to fraction form
    64,588.71/96,830.78 = 20,192.61/x
  3. Step 3: Cross multiply
    64,588.71x = 96,830.78 × 20,192.61
  4. Step 4: Simplify right side
    64,588.71x = 1,955,266,227.02
  5. Step 5: Solve for x
    x = 1,955,266,227.02/64,588.71
  6. Step 6: Final answer
    x = 30,272.57

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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.