Home / 54,811-75,639.72-29,661.04

Finding the Fourth Proportional to 54,811, 75,639.72 and 29,661.04

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Solution

The fourth proportional to 54,811, 75,639.72 and 29,661.04 is: 40,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811 : 75,639.72 = 29,661.04 : x
  2. Step 2: Convert to fraction form
    54,811/75,639.72 = 29,661.04/x
  3. Step 3: Cross multiply
    54,811x = 75,639.72 × 29,661.04
  4. Step 4: Simplify right side
    54,811x = 2,243,552,760.51
  5. Step 5: Solve for x
    x = 2,243,552,760.51/54,811
  6. Step 6: Final answer
    x = 40,932.53

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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.