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Finding the Fourth Proportional to 35,018.65, 48,325.65 and 19,103.10

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Solution

The fourth proportional to 35,018.65, 48,325.65 and 19,103.10 is: 26,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,018.65 : 48,325.65 = 19,103.10 : x
  2. Step 2: Convert to fraction form
    35,018.65/48,325.65 = 19,103.10/x
  3. Step 3: Cross multiply
    35,018.65x = 48,325.65 × 19,103.10
  4. Step 4: Simplify right side
    35,018.65x = 923,169,724.52
  5. Step 5: Solve for x
    x = 923,169,724.52/35,018.65
  6. Step 6: Final answer
    x = 26,362.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.