Home / 63,288.36-94,945.50-21,172.68

Finding the Fourth Proportional to 63,288.36, 94,945.50 and 21,172.68

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Solution

The fourth proportional to 63,288.36, 94,945.50 and 21,172.68 is: 31,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,288.36 : 94,945.50 = 21,172.68 : x
  2. Step 2: Convert to fraction form
    63,288.36/94,945.50 = 21,172.68/x
  3. Step 3: Cross multiply
    63,288.36x = 94,945.50 × 21,172.68
  4. Step 4: Simplify right side
    63,288.36x = 2,010,250,688.94
  5. Step 5: Solve for x
    x = 2,010,250,688.94/63,288.36
  6. Step 6: Final answer
    x = 31,763.36

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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.