Home / 54,185.24-74,773.90-30,311.40

Finding the Fourth Proportional to 54,185.24, 74,773.90 and 30,311.40

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Solution

The fourth proportional to 54,185.24, 74,773.90 and 30,311.40 is: 41,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.24 : 74,773.90 = 30,311.40 : x
  2. Step 2: Convert to fraction form
    54,185.24/74,773.90 = 30,311.40/x
  3. Step 3: Cross multiply
    54,185.24x = 74,773.90 × 30,311.40
  4. Step 4: Simplify right side
    54,185.24x = 2,266,501,592.46
  5. Step 5: Solve for x
    x = 2,266,501,592.46/54,185.24
  6. Step 6: Final answer
    x = 41,828.76

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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.