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Finding the Fourth Proportional to 35,356.70, 48,793.19 and 19,225.11

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Solution

The fourth proportional to 35,356.70, 48,793.19 and 19,225.11 is: 26,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.70 : 48,793.19 = 19,225.11 : x
  2. Step 2: Convert to fraction form
    35,356.70/48,793.19 = 19,225.11/x
  3. Step 3: Cross multiply
    35,356.70x = 48,793.19 × 19,225.11
  4. Step 4: Simplify right side
    35,356.70x = 938,054,531.85
  5. Step 5: Solve for x
    x = 938,054,531.85/35,356.70
  6. Step 6: Final answer
    x = 26,531.17

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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.