Home / 47,948.04-71,890.92-19,860.48

Finding the Fourth Proportional to 47,948.04, 71,890.92 and 19,860.48

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Solution

The fourth proportional to 47,948.04, 71,890.92 and 19,860.48 is: 29,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.04 : 71,890.92 = 19,860.48 : x
  2. Step 2: Convert to fraction form
    47,948.04/71,890.92 = 19,860.48/x
  3. Step 3: Cross multiply
    47,948.04x = 71,890.92 × 19,860.48
  4. Step 4: Simplify right side
    47,948.04x = 1,427,788,178.84
  5. Step 5: Solve for x
    x = 1,427,788,178.84/47,948.04
  6. Step 6: Final answer
    x = 29,777.82

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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.