Home / 47,848.68-71,777.80-18,291.38

Finding the Fourth Proportional to 47,848.68, 71,777.80 and 18,291.38

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Solution

The fourth proportional to 47,848.68, 71,777.80 and 18,291.38 is: 27,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,848.68 : 71,777.80 = 18,291.38 : x
  2. Step 2: Convert to fraction form
    47,848.68/71,777.80 = 18,291.38/x
  3. Step 3: Cross multiply
    47,848.68x = 71,777.80 × 18,291.38
  4. Step 4: Simplify right side
    47,848.68x = 1,312,915,015.36
  5. Step 5: Solve for x
    x = 1,312,915,015.36/47,848.68
  6. Step 6: Final answer
    x = 27,438.90

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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.