Home / 49,871-74,825.14-20,296.28

Finding the Fourth Proportional to 49,871, 74,825.14 and 20,296.28

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Solution

The fourth proportional to 49,871, 74,825.14 and 20,296.28 is: 30,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871 : 74,825.14 = 20,296.28 : x
  2. Step 2: Convert to fraction form
    49,871/74,825.14 = 20,296.28/x
  3. Step 3: Cross multiply
    49,871x = 74,825.14 × 20,296.28
  4. Step 4: Simplify right side
    49,871x = 1,518,671,992.48
  5. Step 5: Solve for x
    x = 1,518,671,992.48/49,871
  6. Step 6: Final answer
    x = 30,452.01

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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.