Home / 47,035.20-70,558.56-20,746.56

Finding the Fourth Proportional to 47,035.20, 70,558.56 and 20,746.56

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Solution

The fourth proportional to 47,035.20, 70,558.56 and 20,746.56 is: 31,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,035.20 : 70,558.56 = 20,746.56 : x
  2. Step 2: Convert to fraction form
    47,035.20/70,558.56 = 20,746.56/x
  3. Step 3: Cross multiply
    47,035.20x = 70,558.56 × 20,746.56
  4. Step 4: Simplify right side
    47,035.20x = 1,463,847,398.55
  5. Step 5: Solve for x
    x = 1,463,847,398.55/47,035.20
  6. Step 6: Final answer
    x = 31,122.38

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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.