Home / 37,801.51-52,169.33-20,809.12

Finding the Fourth Proportional to 37,801.51, 52,169.33 and 20,809.12

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Solution

The fourth proportional to 37,801.51, 52,169.33 and 20,809.12 is: 28,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,801.51 : 52,169.33 = 20,809.12 : x
  2. Step 2: Convert to fraction form
    37,801.51/52,169.33 = 20,809.12/x
  3. Step 3: Cross multiply
    37,801.51x = 52,169.33 × 20,809.12
  4. Step 4: Simplify right side
    37,801.51x = 1,085,597,848.29
  5. Step 5: Solve for x
    x = 1,085,597,848.29/37,801.51
  6. Step 6: Final answer
    x = 28,718.37

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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.