Home / 54,511.57-75,223.05-30,636.70

Finding the Fourth Proportional to 54,511.57, 75,223.05 and 30,636.70

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Solution

The fourth proportional to 54,511.57, 75,223.05 and 30,636.70 is: 42,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.57 : 75,223.05 = 30,636.70 : x
  2. Step 2: Convert to fraction form
    54,511.57/75,223.05 = 30,636.70/x
  3. Step 3: Cross multiply
    54,511.57x = 75,223.05 × 30,636.70
  4. Step 4: Simplify right side
    54,511.57x = 2,304,586,015.94
  5. Step 5: Solve for x
    x = 2,304,586,015.94/54,511.57
  6. Step 6: Final answer
    x = 42,277.01

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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.