Home / 47,237.82-70,838.49-19,150.86

Finding the Fourth Proportional to 47,237.82, 70,838.49 and 19,150.86

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Solution

The fourth proportional to 47,237.82, 70,838.49 and 19,150.86 is: 28,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,237.82 : 70,838.49 = 19,150.86 : x
  2. Step 2: Convert to fraction form
    47,237.82/70,838.49 = 19,150.86/x
  3. Step 3: Cross multiply
    47,237.82x = 70,838.49 × 19,150.86
  4. Step 4: Simplify right side
    47,237.82x = 1,356,618,004.60
  5. Step 5: Solve for x
    x = 1,356,618,004.60/47,237.82
  6. Step 6: Final answer
    x = 28,718.90

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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.