Home / 68,628.59-94,707.78-38,414.51

Finding the Fourth Proportional to 68,628.59, 94,707.78 and 38,414.51

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Solution

The fourth proportional to 68,628.59, 94,707.78 and 38,414.51 is: 53,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628.59 : 94,707.78 = 38,414.51 : x
  2. Step 2: Convert to fraction form
    68,628.59/94,707.78 = 38,414.51/x
  3. Step 3: Cross multiply
    68,628.59x = 94,707.78 × 38,414.51
  4. Step 4: Simplify right side
    68,628.59x = 3,638,152,296.28
  5. Step 5: Solve for x
    x = 3,638,152,296.28/68,628.59
  6. Step 6: Final answer
    x = 53,012.20

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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.