Home / 54,767.84-75,579.04-30,902.28

Finding the Fourth Proportional to 54,767.84, 75,579.04 and 30,902.28

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Solution

The fourth proportional to 54,767.84, 75,579.04 and 30,902.28 is: 42,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,767.84 : 75,579.04 = 30,902.28 : x
  2. Step 2: Convert to fraction form
    54,767.84/75,579.04 = 30,902.28/x
  3. Step 3: Cross multiply
    54,767.84x = 75,579.04 × 30,902.28
  4. Step 4: Simplify right side
    54,767.84x = 2,335,564,656.21
  5. Step 5: Solve for x
    x = 2,335,564,656.21/54,767.84
  6. Step 6: Final answer
    x = 42,644.82

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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.