Home / 35,150.58-52,708.86-12,974.40

Finding the Fourth Proportional to 35,150.58, 52,708.86 and 12,974.40

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Solution

The fourth proportional to 35,150.58, 52,708.86 and 12,974.40 is: 19,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,150.58 : 52,708.86 = 12,974.40 : x
  2. Step 2: Convert to fraction form
    35,150.58/52,708.86 = 12,974.40/x
  3. Step 3: Cross multiply
    35,150.58x = 52,708.86 × 12,974.40
  4. Step 4: Simplify right side
    35,150.58x = 683,865,833.18
  5. Step 5: Solve for x
    x = 683,865,833.18/35,150.58
  6. Step 6: Final answer
    x = 19,455.32

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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.