Home / 29,378.51-40,541.71-15,949.64

Finding the Fourth Proportional to 29,378.51, 40,541.71 and 15,949.64

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Solution

The fourth proportional to 29,378.51, 40,541.71 and 15,949.64 is: 22,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.51 : 40,541.71 = 15,949.64 : x
  2. Step 2: Convert to fraction form
    29,378.51/40,541.71 = 15,949.64/x
  3. Step 3: Cross multiply
    29,378.51x = 40,541.71 × 15,949.64
  4. Step 4: Simplify right side
    29,378.51x = 646,625,397.03
  5. Step 5: Solve for x
    x = 646,625,397.03/29,378.51
  6. Step 6: Final answer
    x = 22,010.15

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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.