Home / 47,035.38-70,650.63-38,039.61

Finding the Fourth Proportional to 47,035.38, 70,650.63 and 38,039.61

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Solution

The fourth proportional to 47,035.38, 70,650.63 and 38,039.61 is: 57,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,035.38 : 70,650.63 = 38,039.61 : x
  2. Step 2: Convert to fraction form
    47,035.38/70,650.63 = 38,039.61/x
  3. Step 3: Cross multiply
    47,035.38x = 70,650.63 × 38,039.61
  4. Step 4: Simplify right side
    47,035.38x = 2,687,522,411.45
  5. Step 5: Solve for x
    x = 2,687,522,411.45/47,035.38
  6. Step 6: Final answer
    x = 57,138.32

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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.