Home / 54,310.11-74,950.91-30,444.45

Finding the Fourth Proportional to 54,310.11, 74,950.91 and 30,444.45

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Solution

The fourth proportional to 54,310.11, 74,950.91 and 30,444.45 is: 42,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.11 : 74,950.91 = 30,444.45 : x
  2. Step 2: Convert to fraction form
    54,310.11/74,950.91 = 30,444.45/x
  3. Step 3: Cross multiply
    54,310.11x = 74,950.91 × 30,444.45
  4. Step 4: Simplify right side
    54,310.11x = 2,281,839,231.95
  5. Step 5: Solve for x
    x = 2,281,839,231.95/54,310.11
  6. Step 6: Final answer
    x = 42,015.00

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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.