Home / 54,128.02-74,696.46-30,254.68

Finding the Fourth Proportional to 54,128.02, 74,696.46 and 30,254.68

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Solution

The fourth proportional to 54,128.02, 74,696.46 and 30,254.68 is: 41,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.02 : 74,696.46 = 30,254.68 : x
  2. Step 2: Convert to fraction form
    54,128.02/74,696.46 = 30,254.68/x
  3. Step 3: Cross multiply
    54,128.02x = 74,696.46 × 30,254.68
  4. Step 4: Simplify right side
    54,128.02x = 2,259,917,494.43
  5. Step 5: Solve for x
    x = 2,259,917,494.43/54,128.02
  6. Step 6: Final answer
    x = 41,751.34

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1.5x scale

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.