Home / 47,943.43-71,903.60-14,663.78

Finding the Fourth Proportional to 47,943.43, 71,903.60 and 14,663.78

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Solution

The fourth proportional to 47,943.43, 71,903.60 and 14,663.78 is: 21,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.43 : 71,903.60 = 14,663.78 : x
  2. Step 2: Convert to fraction form
    47,943.43/71,903.60 = 14,663.78/x
  3. Step 3: Cross multiply
    47,943.43x = 71,903.60 × 14,663.78
  4. Step 4: Simplify right side
    47,943.43x = 1,054,378,788.03
  5. Step 5: Solve for x
    x = 1,054,378,788.03/47,943.43
  6. Step 6: Final answer
    x = 21,992.14

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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.