Home / 49,253.37-67,972.28-28,039.47

Finding the Fourth Proportional to 49,253.37, 67,972.28 and 28,039.47

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Solution

The fourth proportional to 49,253.37, 67,972.28 and 28,039.47 is: 38,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,253.37 : 67,972.28 = 28,039.47 : x
  2. Step 2: Convert to fraction form
    49,253.37/67,972.28 = 28,039.47/x
  3. Step 3: Cross multiply
    49,253.37x = 67,972.28 × 28,039.47
  4. Step 4: Simplify right side
    49,253.37x = 1,905,906,565.69
  5. Step 5: Solve for x
    x = 1,905,906,565.69/49,253.37
  6. Step 6: Final answer
    x = 38,695.96

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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.