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Finding the Fourth Proportional to 35,657.58, 53,469.55 and 13,162.58

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Solution

The fourth proportional to 35,657.58, 53,469.55 and 13,162.58 is: 19,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,657.58 : 53,469.55 = 13,162.58 : x
  2. Step 2: Convert to fraction form
    35,657.58/53,469.55 = 13,162.58/x
  3. Step 3: Cross multiply
    35,657.58x = 53,469.55 × 13,162.58
  4. Step 4: Simplify right side
    35,657.58x = 703,797,229.44
  5. Step 5: Solve for x
    x = 703,797,229.44/35,657.58
  6. Step 6: Final answer
    x = 19,737.66

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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.