Home / 47,855.54-71,812.35-17,891.60

Finding the Fourth Proportional to 47,855.54, 71,812.35 and 17,891.60

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Solution

The fourth proportional to 47,855.54, 71,812.35 and 17,891.60 is: 26,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.54 : 71,812.35 = 17,891.60 : x
  2. Step 2: Convert to fraction form
    47,855.54/71,812.35 = 17,891.60/x
  3. Step 3: Cross multiply
    47,855.54x = 71,812.35 × 17,891.60
  4. Step 4: Simplify right side
    47,855.54x = 1,284,837,482.20
  5. Step 5: Solve for x
    x = 1,284,837,482.20/47,855.54
  6. Step 6: Final answer
    x = 26,848.25

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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.