Home / 54,028.12-74,558.10-30,160.66

Finding the Fourth Proportional to 54,028.12, 74,558.10 and 30,160.66

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Solution

The fourth proportional to 54,028.12, 74,558.10 and 30,160.66 is: 41,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,028.12 : 74,558.10 = 30,160.66 : x
  2. Step 2: Convert to fraction form
    54,028.12/74,558.10 = 30,160.66/x
  3. Step 3: Cross multiply
    54,028.12x = 74,558.10 × 30,160.66
  4. Step 4: Simplify right side
    54,028.12x = 2,248,721,504.35
  5. Step 5: Solve for x
    x = 2,248,721,504.35/54,028.12
  6. Step 6: Final answer
    x = 41,621.32

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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.