Home / 54,129.07-74,699.46-30,259.72

Finding the Fourth Proportional to 54,129.07, 74,699.46 and 30,259.72

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Solution

The fourth proportional to 54,129.07, 74,699.46 and 30,259.72 is: 41,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.07 : 74,699.46 = 30,259.72 : x
  2. Step 2: Convert to fraction form
    54,129.07/74,699.46 = 30,259.72/x
  3. Step 3: Cross multiply
    54,129.07x = 74,699.46 × 30,259.72
  4. Step 4: Simplify right side
    54,129.07x = 2,260,384,743.75
  5. Step 5: Solve for x
    x = 2,260,384,743.75/54,129.07
  6. Step 6: Final answer
    x = 41,759.16

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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.