Home / 54,640.84-75,411.54-30,772.18

Finding the Fourth Proportional to 54,640.84, 75,411.54 and 30,772.18

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Solution

The fourth proportional to 54,640.84, 75,411.54 and 30,772.18 is: 42,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.84 : 75,411.54 = 30,772.18 : x
  2. Step 2: Convert to fraction form
    54,640.84/75,411.54 = 30,772.18/x
  3. Step 3: Cross multiply
    54,640.84x = 75,411.54 × 30,772.18
  4. Step 4: Simplify right side
    54,640.84x = 2,320,577,482.96
  5. Step 5: Solve for x
    x = 2,320,577,482.96/54,640.84
  6. Step 6: Final answer
    x = 42,469.65

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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.