Home / 37,107.90-51,209.55-21,194.10

Finding the Fourth Proportional to 37,107.90, 51,209.55 and 21,194.10

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Solution

The fourth proportional to 37,107.90, 51,209.55 and 21,194.10 is: 29,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.90 : 51,209.55 = 21,194.10 : x
  2. Step 2: Convert to fraction form
    37,107.90/51,209.55 = 21,194.10/x
  3. Step 3: Cross multiply
    37,107.90x = 51,209.55 × 21,194.10
  4. Step 4: Simplify right side
    37,107.90x = 1,085,340,323.66
  5. Step 5: Solve for x
    x = 1,085,340,323.66/37,107.90
  6. Step 6: Final answer
    x = 29,248.23

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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.