Home / 54,645.29-75,410.78-30,772.38

Finding the Fourth Proportional to 54,645.29, 75,410.78 and 30,772.38

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Solution

The fourth proportional to 54,645.29, 75,410.78 and 30,772.38 is: 42,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.29 : 75,410.78 = 30,772.38 : x
  2. Step 2: Convert to fraction form
    54,645.29/75,410.78 = 30,772.38/x
  3. Step 3: Cross multiply
    54,645.29x = 75,410.78 × 30,772.38
  4. Step 4: Simplify right side
    54,645.29x = 2,320,569,178.26
  5. Step 5: Solve for x
    x = 2,320,569,178.26/54,645.29
  6. Step 6: Final answer
    x = 42,466.04

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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.