Home / 54,509.81-81,715.20-19,441.26

Finding the Fourth Proportional to 54,509.81, 81,715.20 and 19,441.26

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Solution

The fourth proportional to 54,509.81, 81,715.20 and 19,441.26 is: 29,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,509.81 : 81,715.20 = 19,441.26 : x
  2. Step 2: Convert to fraction form
    54,509.81/81,715.20 = 19,441.26/x
  3. Step 3: Cross multiply
    54,509.81x = 81,715.20 × 19,441.26
  4. Step 4: Simplify right side
    54,509.81x = 1,588,646,653.44
  5. Step 5: Solve for x
    x = 1,588,646,653.44/54,509.81
  6. Step 6: Final answer
    x = 29,144.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.