Home / 47,021.87-64,908.24-31,921.28

Finding the Fourth Proportional to 47,021.87, 64,908.24 and 31,921.28

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Solution

The fourth proportional to 47,021.87, 64,908.24 and 31,921.28 is: 44,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,021.87 : 64,908.24 = 31,921.28 : x
  2. Step 2: Convert to fraction form
    47,021.87/64,908.24 = 31,921.28/x
  3. Step 3: Cross multiply
    47,021.87x = 64,908.24 × 31,921.28
  4. Step 4: Simplify right side
    47,021.87x = 2,071,953,778.81
  5. Step 5: Solve for x
    x = 2,071,953,778.81/47,021.87
  6. Step 6: Final answer
    x = 44,063.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.