Home / 49,650.48-74,489.64-20,089.08

Finding the Fourth Proportional to 49,650.48, 74,489.64 and 20,089.08

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Solution

The fourth proportional to 49,650.48, 74,489.64 and 20,089.08 is: 30,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,650.48 : 74,489.64 = 20,089.08 : x
  2. Step 2: Convert to fraction form
    49,650.48/74,489.64 = 20,089.08/x
  3. Step 3: Cross multiply
    49,650.48x = 74,489.64 × 20,089.08
  4. Step 4: Simplify right side
    49,650.48x = 1,496,428,337.13
  5. Step 5: Solve for x
    x = 1,496,428,337.13/49,650.48
  6. Step 6: Final answer
    x = 30,139.25

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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.