Home / 47,980.56-71,884.65-28,248.36

Finding the Fourth Proportional to 47,980.56, 71,884.65 and 28,248.36

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Solution

The fourth proportional to 47,980.56, 71,884.65 and 28,248.36 is: 42,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.56 : 71,884.65 = 28,248.36 : x
  2. Step 2: Convert to fraction form
    47,980.56/71,884.65 = 28,248.36/x
  3. Step 3: Cross multiply
    47,980.56x = 71,884.65 × 28,248.36
  4. Step 4: Simplify right side
    47,980.56x = 2,030,623,308.04
  5. Step 5: Solve for x
    x = 2,030,623,308.04/47,980.56
  6. Step 6: Final answer
    x = 42,321.79

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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.