Home / 69,621.95-104,436.99-19,697.87

Finding the Fourth Proportional to 69,621.95, 104,436.99 and 19,697.87

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Solution

The fourth proportional to 69,621.95, 104,436.99 and 19,697.87 is: 29,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,621.95 : 104,436.99 = 19,697.87 : x
  2. Step 2: Convert to fraction form
    69,621.95/104,436.99 = 19,697.87/x
  3. Step 3: Cross multiply
    69,621.95x = 104,436.99 × 19,697.87
  4. Step 4: Simplify right side
    69,621.95x = 2,057,186,513.30
  5. Step 5: Solve for x
    x = 2,057,186,513.30/69,621.95
  6. Step 6: Final answer
    x = 29,547.96

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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.