Home / 40,436.81-60,698.34-35,786.40

Finding the Fourth Proportional to 40,436.81, 60,698.34 and 35,786.40

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Solution

The fourth proportional to 40,436.81, 60,698.34 and 35,786.40 is: 53,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,436.81 : 60,698.34 = 35,786.40 : x
  2. Step 2: Convert to fraction form
    40,436.81/60,698.34 = 35,786.40/x
  3. Step 3: Cross multiply
    40,436.81x = 60,698.34 × 35,786.40
  4. Step 4: Simplify right side
    40,436.81x = 2,172,175,074.58
  5. Step 5: Solve for x
    x = 2,172,175,074.58/40,436.81
  6. Step 6: Final answer
    x = 53,717.77

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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.