Home / 47,867.24-71,830.80-18,287.60

Finding the Fourth Proportional to 47,867.24, 71,830.80 and 18,287.60

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Solution

The fourth proportional to 47,867.24, 71,830.80 and 18,287.60 is: 27,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,867.24 : 71,830.80 = 18,287.60 : x
  2. Step 2: Convert to fraction form
    47,867.24/71,830.80 = 18,287.60/x
  3. Step 3: Cross multiply
    47,867.24x = 71,830.80 × 18,287.60
  4. Step 4: Simplify right side
    47,867.24x = 1,313,612,938.08
  5. Step 5: Solve for x
    x = 1,313,612,938.08/47,867.24
  6. Step 6: Final answer
    x = 27,442.84

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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.