Home / 37,901.79-52,304.87-20,906.78

Finding the Fourth Proportional to 37,901.79, 52,304.87 and 20,906.78

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Solution

The fourth proportional to 37,901.79, 52,304.87 and 20,906.78 is: 28,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,901.79 : 52,304.87 = 20,906.78 : x
  2. Step 2: Convert to fraction form
    37,901.79/52,304.87 = 20,906.78/x
  3. Step 3: Cross multiply
    37,901.79x = 52,304.87 × 20,906.78
  4. Step 4: Simplify right side
    37,901.79x = 1,093,526,200.76
  5. Step 5: Solve for x
    x = 1,093,526,200.76/37,901.79
  6. Step 6: Final answer
    x = 28,851.57

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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.