Home / 47,731.98-71,539.20-19,634.52

Finding the Fourth Proportional to 47,731.98, 71,539.20 and 19,634.52

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Solution

The fourth proportional to 47,731.98, 71,539.20 and 19,634.52 is: 29,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.98 : 71,539.20 = 19,634.52 : x
  2. Step 2: Convert to fraction form
    47,731.98/71,539.20 = 19,634.52/x
  3. Step 3: Cross multiply
    47,731.98x = 71,539.20 × 19,634.52
  4. Step 4: Simplify right side
    47,731.98x = 1,404,637,853.18
  5. Step 5: Solve for x
    x = 1,404,637,853.18/47,731.98
  6. Step 6: Final answer
    x = 29,427.60

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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.