Home / 35,531.60-49,033.01-19,615.64

Finding the Fourth Proportional to 35,531.60, 49,033.01 and 19,615.64

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Solution

The fourth proportional to 35,531.60, 49,033.01 and 19,615.64 is: 27,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.60 : 49,033.01 = 19,615.64 : x
  2. Step 2: Convert to fraction form
    35,531.60/49,033.01 = 19,615.64/x
  3. Step 3: Cross multiply
    35,531.60x = 49,033.01 × 19,615.64
  4. Step 4: Simplify right side
    35,531.60x = 961,813,676.15
  5. Step 5: Solve for x
    x = 961,813,676.15/35,531.60
  6. Step 6: Final answer
    x = 27,069.25

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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.