Home / 54,014.31-74,543.49-30,145.68

Finding the Fourth Proportional to 54,014.31, 74,543.49 and 30,145.68

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Solution

The fourth proportional to 54,014.31, 74,543.49 and 30,145.68 is: 41,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.31 : 74,543.49 = 30,145.68 : x
  2. Step 2: Convert to fraction form
    54,014.31/74,543.49 = 30,145.68/x
  3. Step 3: Cross multiply
    54,014.31x = 74,543.49 × 30,145.68
  4. Step 4: Simplify right side
    54,014.31x = 2,247,164,195.62
  5. Step 5: Solve for x
    x = 2,247,164,195.62/54,014.31
  6. Step 6: Final answer
    x = 41,603.13

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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.