Home / 64,217.76-96,285.61-30,871.47

Finding the Fourth Proportional to 64,217.76, 96,285.61 and 30,871.47

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Solution

The fourth proportional to 64,217.76, 96,285.61 and 30,871.47 is: 46,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,217.76 : 96,285.61 = 30,871.47 : x
  2. Step 2: Convert to fraction form
    64,217.76/96,285.61 = 30,871.47/x
  3. Step 3: Cross multiply
    64,217.76x = 96,285.61 × 30,871.47
  4. Step 4: Simplify right side
    64,217.76x = 2,972,478,320.55
  5. Step 5: Solve for x
    x = 2,972,478,320.55/64,217.76
  6. Step 6: Final answer
    x = 46,287.48

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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.