Home / 40,603.78-56,012.70-27,175.60

Finding the Fourth Proportional to 40,603.78, 56,012.70 and 27,175.60

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Solution

The fourth proportional to 40,603.78, 56,012.70 and 27,175.60 is: 37,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,603.78 : 56,012.70 = 27,175.60 : x
  2. Step 2: Convert to fraction form
    40,603.78/56,012.70 = 27,175.60/x
  3. Step 3: Cross multiply
    40,603.78x = 56,012.70 × 27,175.60
  4. Step 4: Simplify right side
    40,603.78x = 1,522,178,730.12
  5. Step 5: Solve for x
    x = 1,522,178,730.12/40,603.78
  6. Step 6: Final answer
    x = 37,488.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.