Home / 54,322.29-74,963.34-30,450.51

Finding the Fourth Proportional to 54,322.29, 74,963.34 and 30,450.51

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Solution

The fourth proportional to 54,322.29, 74,963.34 and 30,450.51 is: 42,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.29 : 74,963.34 = 30,450.51 : x
  2. Step 2: Convert to fraction form
    54,322.29/74,963.34 = 30,450.51/x
  3. Step 3: Cross multiply
    54,322.29x = 74,963.34 × 30,450.51
  4. Step 4: Simplify right side
    54,322.29x = 2,282,671,934.30
  5. Step 5: Solve for x
    x = 2,282,671,934.30/54,322.29
  6. Step 6: Final answer
    x = 42,020.91

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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.