Home / 37,949.72-52,369.34-20,953.68

Finding the Fourth Proportional to 37,949.72, 52,369.34 and 20,953.68

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Solution

The fourth proportional to 37,949.72, 52,369.34 and 20,953.68 is: 28,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,949.72 : 52,369.34 = 20,953.68 : x
  2. Step 2: Convert to fraction form
    37,949.72/52,369.34 = 20,953.68/x
  3. Step 3: Cross multiply
    37,949.72x = 52,369.34 × 20,953.68
  4. Step 4: Simplify right side
    37,949.72x = 1,097,330,392.17
  5. Step 5: Solve for x
    x = 1,097,330,392.17/37,949.72
  6. Step 6: Final answer
    x = 28,915.38

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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.