Home / 69,386.79-104,083.96-21,998.45

Finding the Fourth Proportional to 69,386.79, 104,083.96 and 21,998.45

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Solution

The fourth proportional to 69,386.79, 104,083.96 and 21,998.45 is: 32,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,386.79 : 104,083.96 = 21,998.45 : x
  2. Step 2: Convert to fraction form
    69,386.79/104,083.96 = 21,998.45/x
  3. Step 3: Cross multiply
    69,386.79x = 104,083.96 × 21,998.45
  4. Step 4: Simplify right side
    69,386.79x = 2,289,685,697.57
  5. Step 5: Solve for x
    x = 2,289,685,697.57/69,386.79
  6. Step 6: Final answer
    x = 32,998.87

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1.5x scale

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.