Home / 37,691.81-52,015.34-20,696.76

Finding the Fourth Proportional to 37,691.81, 52,015.34 and 20,696.76

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Solution

The fourth proportional to 37,691.81, 52,015.34 and 20,696.76 is: 28,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,691.81 : 52,015.34 = 20,696.76 : x
  2. Step 2: Convert to fraction form
    37,691.81/52,015.34 = 20,696.76/x
  3. Step 3: Cross multiply
    37,691.81x = 52,015.34 × 20,696.76
  4. Step 4: Simplify right side
    37,691.81x = 1,076,548,904.81
  5. Step 5: Solve for x
    x = 1,076,548,904.81/37,691.81
  6. Step 6: Final answer
    x = 28,561.88

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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.