Home / 54,731.49-75,527.94-30,857.95

Finding the Fourth Proportional to 54,731.49, 75,527.94 and 30,857.95

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Solution

The fourth proportional to 54,731.49, 75,527.94 and 30,857.95 is: 42,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.49 : 75,527.94 = 30,857.95 : x
  2. Step 2: Convert to fraction form
    54,731.49/75,527.94 = 30,857.95/x
  3. Step 3: Cross multiply
    54,731.49x = 75,527.94 × 30,857.95
  4. Step 4: Simplify right side
    54,731.49x = 2,330,637,396.12
  5. Step 5: Solve for x
    x = 2,330,637,396.12/54,731.49
  6. Step 6: Final answer
    x = 42,583.12

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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.