Home / 42,697.62-64,039.17-11,525.58

Finding the Fourth Proportional to 42,697.62, 64,039.17 and 11,525.58

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Solution

The fourth proportional to 42,697.62, 64,039.17 and 11,525.58 is: 17,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697.62 : 64,039.17 = 11,525.58 : x
  2. Step 2: Convert to fraction form
    42,697.62/64,039.17 = 11,525.58/x
  3. Step 3: Cross multiply
    42,697.62x = 64,039.17 × 11,525.58
  4. Step 4: Simplify right side
    42,697.62x = 738,088,576.97
  5. Step 5: Solve for x
    x = 738,088,576.97/42,697.62
  6. Step 6: Final answer
    x = 17,286.41

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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.