Home / 54,129.98-74,699.16-30,256.64

Finding the Fourth Proportional to 54,129.98, 74,699.16 and 30,256.64

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Solution

The fourth proportional to 54,129.98, 74,699.16 and 30,256.64 is: 41,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.98 : 74,699.16 = 30,256.64 : x
  2. Step 2: Convert to fraction form
    54,129.98/74,699.16 = 30,256.64/x
  3. Step 3: Cross multiply
    54,129.98x = 74,699.16 × 30,256.64
  4. Step 4: Simplify right side
    54,129.98x = 2,260,145,592.42
  5. Step 5: Solve for x
    x = 2,260,145,592.42/54,129.98
  6. Step 6: Final answer
    x = 41,754.04

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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.