Home / 47,890.44-71,835.52-21,564.36

Finding the Fourth Proportional to 47,890.44, 71,835.52 and 21,564.36

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Solution

The fourth proportional to 47,890.44, 71,835.52 and 21,564.36 is: 32,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,890.44 : 71,835.52 = 21,564.36 : x
  2. Step 2: Convert to fraction form
    47,890.44/71,835.52 = 21,564.36/x
  3. Step 3: Cross multiply
    47,890.44x = 71,835.52 × 21,564.36
  4. Step 4: Simplify right side
    47,890.44x = 1,549,087,014.07
  5. Step 5: Solve for x
    x = 1,549,087,014.07/47,890.44
  6. Step 6: Final answer
    x = 32,346.48

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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.