Home / 54,316.30-81,474.45-30,696.70

Finding the Fourth Proportional to 54,316.30, 81,474.45 and 30,696.70

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Solution

The fourth proportional to 54,316.30, 81,474.45 and 30,696.70 is: 46,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.30 : 81,474.45 = 30,696.70 : x
  2. Step 2: Convert to fraction form
    54,316.30/81,474.45 = 30,696.70/x
  3. Step 3: Cross multiply
    54,316.30x = 81,474.45 × 30,696.70
  4. Step 4: Simplify right side
    54,316.30x = 2,500,996,749.32
  5. Step 5: Solve for x
    x = 2,500,996,749.32/54,316.30
  6. Step 6: Final answer
    x = 46,045.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.