Home / 37,116.84-51,215.64-21,197.90

Finding the Fourth Proportional to 37,116.84, 51,215.64 and 21,197.90

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Solution

The fourth proportional to 37,116.84, 51,215.64 and 21,197.90 is: 29,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,116.84 : 51,215.64 = 21,197.90 : x
  2. Step 2: Convert to fraction form
    37,116.84/51,215.64 = 21,197.90/x
  3. Step 3: Cross multiply
    37,116.84x = 51,215.64 × 21,197.90
  4. Step 4: Simplify right side
    37,116.84x = 1,085,664,015.16
  5. Step 5: Solve for x
    x = 1,085,664,015.16/37,116.84
  6. Step 6: Final answer
    x = 29,249.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.