Home / 54,174.32-74,761.44-30,298.40

Finding the Fourth Proportional to 54,174.32, 74,761.44 and 30,298.40

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Solution

The fourth proportional to 54,174.32, 74,761.44 and 30,298.40 is: 41,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.32 : 74,761.44 = 30,298.40 : x
  2. Step 2: Convert to fraction form
    54,174.32/74,761.44 = 30,298.40/x
  3. Step 3: Cross multiply
    54,174.32x = 74,761.44 × 30,298.40
  4. Step 4: Simplify right side
    54,174.32x = 2,265,152,013.70
  5. Step 5: Solve for x
    x = 2,265,152,013.70/54,174.32
  6. Step 6: Final answer
    x = 41,812.28

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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.