Home / 47,487.87-71,205.50-19,427.63

Finding the Fourth Proportional to 47,487.87, 71,205.50 and 19,427.63

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Solution

The fourth proportional to 47,487.87, 71,205.50 and 19,427.63 is: 29,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,487.87 : 71,205.50 = 19,427.63 : x
  2. Step 2: Convert to fraction form
    47,487.87/71,205.50 = 19,427.63/x
  3. Step 3: Cross multiply
    47,487.87x = 71,205.50 × 19,427.63
  4. Step 4: Simplify right side
    47,487.87x = 1,383,353,800.51
  5. Step 5: Solve for x
    x = 1,383,353,800.51/47,487.87
  6. Step 6: Final answer
    x = 29,130.68

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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.