Home / 39,649.70-54,688.02-25,489.02

Finding the Fourth Proportional to 39,649.70, 54,688.02 and 25,489.02

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Solution

The fourth proportional to 39,649.70, 54,688.02 and 25,489.02 is: 35,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.70 : 54,688.02 = 25,489.02 : x
  2. Step 2: Convert to fraction form
    39,649.70/54,688.02 = 25,489.02/x
  3. Step 3: Cross multiply
    39,649.70x = 54,688.02 × 25,489.02
  4. Step 4: Simplify right side
    39,649.70x = 1,393,944,035.54
  5. Step 5: Solve for x
    x = 1,393,944,035.54/39,649.70
  6. Step 6: Final answer
    x = 35,156.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.