Home / 54,035.40-74,568.42-30,161.34

Finding the Fourth Proportional to 54,035.40, 74,568.42 and 30,161.34

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Solution

The fourth proportional to 54,035.40, 74,568.42 and 30,161.34 is: 41,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,035.40 : 74,568.42 = 30,161.34 : x
  2. Step 2: Convert to fraction form
    54,035.40/74,568.42 = 30,161.34/x
  3. Step 3: Cross multiply
    54,035.40x = 74,568.42 × 30,161.34
  4. Step 4: Simplify right side
    54,035.40x = 2,249,083,468.88
  5. Step 5: Solve for x
    x = 2,249,083,468.88/54,035.40
  6. Step 6: Final answer
    x = 41,622.41

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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.