Home / 64,574-96,865.10-17,188.31

Finding the Fourth Proportional to 64,574, 96,865.10 and 17,188.31

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Solution

The fourth proportional to 64,574, 96,865.10 and 17,188.31 is: 25,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,574 : 96,865.10 = 17,188.31 : x
  2. Step 2: Convert to fraction form
    64,574/96,865.10 = 17,188.31/x
  3. Step 3: Cross multiply
    64,574x = 96,865.10 × 17,188.31
  4. Step 4: Simplify right side
    64,574x = 1,664,947,366.98
  5. Step 5: Solve for x
    x = 1,664,947,366.98/64,574
  6. Step 6: Final answer
    x = 25,783.56

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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.