Home / 37,673.04-51,990.84-20,906.40

Finding the Fourth Proportional to 37,673.04, 51,990.84 and 20,906.40

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Solution

The fourth proportional to 37,673.04, 51,990.84 and 20,906.40 is: 28,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,673.04 : 51,990.84 = 20,906.40 : x
  2. Step 2: Convert to fraction form
    37,673.04/51,990.84 = 20,906.40/x
  3. Step 3: Cross multiply
    37,673.04x = 51,990.84 × 20,906.40
  4. Step 4: Simplify right side
    37,673.04x = 1,086,941,297.38
  5. Step 5: Solve for x
    x = 1,086,941,297.38/37,673.04
  6. Step 6: Final answer
    x = 28,851.97

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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.