Home / 69,738.39-104,607.63-19,812.06

Finding the Fourth Proportional to 69,738.39, 104,607.63 and 19,812.06

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Solution

The fourth proportional to 69,738.39, 104,607.63 and 19,812.06 is: 29,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,738.39 : 104,607.63 = 19,812.06 : x
  2. Step 2: Convert to fraction form
    69,738.39/104,607.63 = 19,812.06/x
  3. Step 3: Cross multiply
    69,738.39x = 104,607.63 × 19,812.06
  4. Step 4: Simplify right side
    69,738.39x = 2,072,492,642.02
  5. Step 5: Solve for x
    x = 2,072,492,642.02/69,738.39
  6. Step 6: Final answer
    x = 29,718.10

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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.