Home / 64,664.70-96,985.80-17,906.64

Finding the Fourth Proportional to 64,664.70, 96,985.80 and 17,906.64

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Solution

The fourth proportional to 64,664.70, 96,985.80 and 17,906.64 is: 26,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,664.70 : 96,985.80 = 17,906.64 : x
  2. Step 2: Convert to fraction form
    64,664.70/96,985.80 = 17,906.64/x
  3. Step 3: Cross multiply
    64,664.70x = 96,985.80 × 17,906.64
  4. Step 4: Simplify right side
    64,664.70x = 1,736,689,805.71
  5. Step 5: Solve for x
    x = 1,736,689,805.71/64,664.70
  6. Step 6: Final answer
    x = 26,856.84

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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.