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Finding the Fourth Proportional to 35,398.98, 53,105.70 and 10,436.94

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Solution

The fourth proportional to 35,398.98, 53,105.70 and 10,436.94 is: 15,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.98 : 53,105.70 = 10,436.94 : x
  2. Step 2: Convert to fraction form
    35,398.98/53,105.70 = 10,436.94/x
  3. Step 3: Cross multiply
    35,398.98x = 53,105.70 × 10,436.94
  4. Step 4: Simplify right side
    35,398.98x = 554,261,004.56
  5. Step 5: Solve for x
    x = 554,261,004.56/35,398.98
  6. Step 6: Final answer
    x = 15,657.54

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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.