Home / 47,365.16-71,021.61-19,278

Finding the Fourth Proportional to 47,365.16, 71,021.61 and 19,278

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Solution

The fourth proportional to 47,365.16, 71,021.61 and 19,278 is: 28,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365.16 : 71,021.61 = 19,278 : x
  2. Step 2: Convert to fraction form
    47,365.16/71,021.61 = 19,278/x
  3. Step 3: Cross multiply
    47,365.16x = 71,021.61 × 19,278
  4. Step 4: Simplify right side
    47,365.16x = 1,369,154,597.58
  5. Step 5: Solve for x
    x = 1,369,154,597.58/47,365.16
  6. Step 6: Final answer
    x = 28,906.37

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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.