Home / 54,141.30-74,714.72-30,267.80

Finding the Fourth Proportional to 54,141.30, 74,714.72 and 30,267.80

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Solution

The fourth proportional to 54,141.30, 74,714.72 and 30,267.80 is: 41,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.30 : 74,714.72 = 30,267.80 : x
  2. Step 2: Convert to fraction form
    54,141.30/74,714.72 = 30,267.80/x
  3. Step 3: Cross multiply
    54,141.30x = 74,714.72 × 30,267.80
  4. Step 4: Simplify right side
    54,141.30x = 2,261,450,202.02
  5. Step 5: Solve for x
    x = 2,261,450,202.02/54,141.30
  6. Step 6: Final answer
    x = 41,769.41

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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.