Home / 54,138.58-74,709.42-38,029.22

Finding the Fourth Proportional to 54,138.58, 74,709.42 and 38,029.22

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Solution

The fourth proportional to 54,138.58, 74,709.42 and 38,029.22 is: 52,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.58 : 74,709.42 = 38,029.22 : x
  2. Step 2: Convert to fraction form
    54,138.58/74,709.42 = 38,029.22/x
  3. Step 3: Cross multiply
    54,138.58x = 74,709.42 × 38,029.22
  4. Step 4: Simplify right side
    54,138.58x = 2,841,140,969.25
  5. Step 5: Solve for x
    x = 2,841,140,969.25/54,138.58
  6. Step 6: Final answer
    x = 52,479.04

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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.