Home / 47,276.60-70,944.47-19,196.78

Finding the Fourth Proportional to 47,276.60, 70,944.47 and 19,196.78

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Solution

The fourth proportional to 47,276.60, 70,944.47 and 19,196.78 is: 28,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.60 : 70,944.47 = 19,196.78 : x
  2. Step 2: Convert to fraction form
    47,276.60/70,944.47 = 19,196.78/x
  3. Step 3: Cross multiply
    47,276.60x = 70,944.47 × 19,196.78
  4. Step 4: Simplify right side
    47,276.60x = 1,361,905,286.82
  5. Step 5: Solve for x
    x = 1,361,905,286.82/47,276.60
  6. Step 6: Final answer
    x = 28,807.17

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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.