Home / 37,881.43-56,838.56-20,330.75

Finding the Fourth Proportional to 37,881.43, 56,838.56 and 20,330.75

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Solution

The fourth proportional to 37,881.43, 56,838.56 and 20,330.75 is: 30,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,881.43 : 56,838.56 = 20,330.75 : x
  2. Step 2: Convert to fraction form
    37,881.43/56,838.56 = 20,330.75/x
  3. Step 3: Cross multiply
    37,881.43x = 56,838.56 × 20,330.75
  4. Step 4: Simplify right side
    37,881.43x = 1,155,570,594.16
  5. Step 5: Solve for x
    x = 1,155,570,594.16/37,881.43
  6. Step 6: Final answer
    x = 30,504.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.