Home / 47,928.72-71,903.61-14,651.37

Finding the Fourth Proportional to 47,928.72, 71,903.61 and 14,651.37

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Solution

The fourth proportional to 47,928.72, 71,903.61 and 14,651.37 is: 21,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.72 : 71,903.61 = 14,651.37 : x
  2. Step 2: Convert to fraction form
    47,928.72/71,903.61 = 14,651.37/x
  3. Step 3: Cross multiply
    47,928.72x = 71,903.61 × 14,651.37
  4. Step 4: Simplify right side
    47,928.72x = 1,053,486,394.45
  5. Step 5: Solve for x
    x = 1,053,486,394.45/47,928.72
  6. Step 6: Final answer
    x = 21,980.27

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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.