Home / 54,564.84-75,278.16-30,686.04

Finding the Fourth Proportional to 54,564.84, 75,278.16 and 30,686.04

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Solution

The fourth proportional to 54,564.84, 75,278.16 and 30,686.04 is: 42,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.84 : 75,278.16 = 30,686.04 : x
  2. Step 2: Convert to fraction form
    54,564.84/75,278.16 = 30,686.04/x
  3. Step 3: Cross multiply
    54,564.84x = 75,278.16 × 30,686.04
  4. Step 4: Simplify right side
    54,564.84x = 2,309,988,628.89
  5. Step 5: Solve for x
    x = 2,309,988,628.89/54,564.84
  6. Step 6: Final answer
    x = 42,334.75

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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.