Home / 47,921.16-71,881.74-18,348.06

Finding the Fourth Proportional to 47,921.16, 71,881.74 and 18,348.06

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Solution

The fourth proportional to 47,921.16, 71,881.74 and 18,348.06 is: 27,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.16 : 71,881.74 = 18,348.06 : x
  2. Step 2: Convert to fraction form
    47,921.16/71,881.74 = 18,348.06/x
  3. Step 3: Cross multiply
    47,921.16x = 71,881.74 × 18,348.06
  4. Step 4: Simplify right side
    47,921.16x = 1,318,890,478.42
  5. Step 5: Solve for x
    x = 1,318,890,478.42/47,921.16
  6. Step 6: Final answer
    x = 27,522.09

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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.