Home / 54,905.44-75,780.72-31,033.12

Finding the Fourth Proportional to 54,905.44, 75,780.72 and 31,033.12

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Solution

The fourth proportional to 54,905.44, 75,780.72 and 31,033.12 is: 42,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.44 : 75,780.72 = 31,033.12 : x
  2. Step 2: Convert to fraction form
    54,905.44/75,780.72 = 31,033.12/x
  3. Step 3: Cross multiply
    54,905.44x = 75,780.72 × 31,033.12
  4. Step 4: Simplify right side
    54,905.44x = 2,351,712,177.45
  5. Step 5: Solve for x
    x = 2,351,712,177.45/54,905.44
  6. Step 6: Final answer
    x = 42,832.04

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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.