Home / 54,128.47-74,696.83-29,930.06

Finding the Fourth Proportional to 54,128.47, 74,696.83 and 29,930.06

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Solution

The fourth proportional to 54,128.47, 74,696.83 and 29,930.06 is: 41,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.47 : 74,696.83 = 29,930.06 : x
  2. Step 2: Convert to fraction form
    54,128.47/74,696.83 = 29,930.06/x
  3. Step 3: Cross multiply
    54,128.47x = 74,696.83 × 29,930.06
  4. Step 4: Simplify right side
    54,128.47x = 2,235,680,080.58
  5. Step 5: Solve for x
    x = 2,235,680,080.58/54,128.47
  6. Step 6: Final answer
    x = 41,303.22

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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.