Home / 35,414.93-48,880.91-20,307.32

Finding the Fourth Proportional to 35,414.93, 48,880.91 and 20,307.32

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Solution

The fourth proportional to 35,414.93, 48,880.91 and 20,307.32 is: 28,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,414.93 : 48,880.91 = 20,307.32 : x
  2. Step 2: Convert to fraction form
    35,414.93/48,880.91 = 20,307.32/x
  3. Step 3: Cross multiply
    35,414.93x = 48,880.91 × 20,307.32
  4. Step 4: Simplify right side
    35,414.93x = 992,640,281.26
  5. Step 5: Solve for x
    x = 992,640,281.26/35,414.93
  6. Step 6: Final answer
    x = 28,028.86

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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.