Home / 54,324.24-74,967.21-30,450.91

Finding the Fourth Proportional to 54,324.24, 74,967.21 and 30,450.91

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Solution

The fourth proportional to 54,324.24, 74,967.21 and 30,450.91 is: 42,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.24 : 74,967.21 = 30,450.91 : x
  2. Step 2: Convert to fraction form
    54,324.24/74,967.21 = 30,450.91/x
  3. Step 3: Cross multiply
    54,324.24x = 74,967.21 × 30,450.91
  4. Step 4: Simplify right side
    54,324.24x = 2,282,819,648.63
  5. Step 5: Solve for x
    x = 2,282,819,648.63/54,324.24
  6. Step 6: Final answer
    x = 42,022.12

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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.