Home / 35,405.20-53,064.06-17,880.04

Finding the Fourth Proportional to 35,405.20, 53,064.06 and 17,880.04

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Solution

The fourth proportional to 35,405.20, 53,064.06 and 17,880.04 is: 26,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.20 : 53,064.06 = 17,880.04 : x
  2. Step 2: Convert to fraction form
    35,405.20/53,064.06 = 17,880.04/x
  3. Step 3: Cross multiply
    35,405.20x = 53,064.06 × 17,880.04
  4. Step 4: Simplify right side
    35,405.20x = 948,787,515.36
  5. Step 5: Solve for x
    x = 948,787,515.36/35,405.20
  6. Step 6: Final answer
    x = 26,797.97

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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.