Home / 54,383.91-75,048.62-30,510.15

Finding the Fourth Proportional to 54,383.91, 75,048.62 and 30,510.15

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Solution

The fourth proportional to 54,383.91, 75,048.62 and 30,510.15 is: 42,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.91 : 75,048.62 = 30,510.15 : x
  2. Step 2: Convert to fraction form
    54,383.91/75,048.62 = 30,510.15/x
  3. Step 3: Cross multiply
    54,383.91x = 75,048.62 × 30,510.15
  4. Step 4: Simplify right side
    54,383.91x = 2,289,744,500.94
  5. Step 5: Solve for x
    x = 2,289,744,500.94/54,383.91
  6. Step 6: Final answer
    x = 42,103.34

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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.