Home / 47,911.32-71,869.95-14,631.39

Finding the Fourth Proportional to 47,911.32, 71,869.95 and 14,631.39

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Solution

The fourth proportional to 47,911.32, 71,869.95 and 14,631.39 is: 21,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.32 : 71,869.95 = 14,631.39 : x
  2. Step 2: Convert to fraction form
    47,911.32/71,869.95 = 14,631.39/x
  3. Step 3: Cross multiply
    47,911.32x = 71,869.95 × 14,631.39
  4. Step 4: Simplify right side
    47,911.32x = 1,051,557,267.73
  5. Step 5: Solve for x
    x = 1,051,557,267.73/47,911.32
  6. Step 6: Final answer
    x = 21,947.99

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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.