Home / 49,700.91-74,551.01-20,118.31

Finding the Fourth Proportional to 49,700.91, 74,551.01 and 20,118.31

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Solution

The fourth proportional to 49,700.91, 74,551.01 and 20,118.31 is: 30,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,700.91 : 74,551.01 = 20,118.31 : x
  2. Step 2: Convert to fraction form
    49,700.91/74,551.01 = 20,118.31/x
  3. Step 3: Cross multiply
    49,700.91x = 74,551.01 × 20,118.31
  4. Step 4: Simplify right side
    49,700.91x = 1,499,840,329.99
  5. Step 5: Solve for x
    x = 1,499,840,329.99/49,700.91
  6. Step 6: Final answer
    x = 30,177.32

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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.