Home / 47,706.56-71,558.01-19,618.79

Finding the Fourth Proportional to 47,706.56, 71,558.01 and 19,618.79

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Solution

The fourth proportional to 47,706.56, 71,558.01 and 19,618.79 is: 29,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,706.56 : 71,558.01 = 19,618.79 : x
  2. Step 2: Convert to fraction form
    47,706.56/71,558.01 = 19,618.79/x
  3. Step 3: Cross multiply
    47,706.56x = 71,558.01 × 19,618.79
  4. Step 4: Simplify right side
    47,706.56x = 1,403,881,749.90
  5. Step 5: Solve for x
    x = 1,403,881,749.90/47,706.56
  6. Step 6: Final answer
    x = 29,427.44

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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.