Home / 64,638.42-96,959.75-17,887.38

Finding the Fourth Proportional to 64,638.42, 96,959.75 and 17,887.38

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Solution

The fourth proportional to 64,638.42, 96,959.75 and 17,887.38 is: 26,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,638.42 : 96,959.75 = 17,887.38 : x
  2. Step 2: Convert to fraction form
    64,638.42/96,959.75 = 17,887.38/x
  3. Step 3: Cross multiply
    64,638.42x = 96,959.75 × 17,887.38
  4. Step 4: Simplify right side
    64,638.42x = 1,734,355,892.96
  5. Step 5: Solve for x
    x = 1,734,355,892.96/64,638.42
  6. Step 6: Final answer
    x = 26,831.66

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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.