Home / 54,383.41-75,047.92-30,509.65

Finding the Fourth Proportional to 54,383.41, 75,047.92 and 30,509.65

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Solution

The fourth proportional to 54,383.41, 75,047.92 and 30,509.65 is: 42,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.41 : 75,047.92 = 30,509.65 : x
  2. Step 2: Convert to fraction form
    54,383.41/75,047.92 = 30,509.65/x
  3. Step 3: Cross multiply
    54,383.41x = 75,047.92 × 30,509.65
  4. Step 4: Simplify right side
    54,383.41x = 2,289,685,772.43
  5. Step 5: Solve for x
    x = 2,289,685,772.43/54,383.41
  6. Step 6: Final answer
    x = 42,102.65

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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.