Home / 75,803.31-113,704.49-19,643.27

Finding the Fourth Proportional to 75,803.31, 113,704.49 and 19,643.27

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Solution

The fourth proportional to 75,803.31, 113,704.49 and 19,643.27 is: 29,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,803.31 : 113,704.49 = 19,643.27 : x
  2. Step 2: Convert to fraction form
    75,803.31/113,704.49 = 19,643.27/x
  3. Step 3: Cross multiply
    75,803.31x = 113,704.49 × 19,643.27
  4. Step 4: Simplify right side
    75,803.31x = 2,233,527,330.54
  5. Step 5: Solve for x
    x = 2,233,527,330.54/75,803.31
  6. Step 6: Final answer
    x = 29,464.77

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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.