Home / 54,633.84-75,401.88-30,765.18

Finding the Fourth Proportional to 54,633.84, 75,401.88 and 30,765.18

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Solution

The fourth proportional to 54,633.84, 75,401.88 and 30,765.18 is: 42,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,633.84 : 75,401.88 = 30,765.18 : x
  2. Step 2: Convert to fraction form
    54,633.84/75,401.88 = 30,765.18/x
  3. Step 3: Cross multiply
    54,633.84x = 75,401.88 × 30,765.18
  4. Step 4: Simplify right side
    54,633.84x = 2,319,752,410.54
  5. Step 5: Solve for x
    x = 2,319,752,410.54/54,633.84
  6. Step 6: Final answer
    x = 42,459.99

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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.