Home / 29,077.80-43,616.70-19,746.60

Finding the Fourth Proportional to 29,077.80, 43,616.70 and 19,746.60

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Solution

The fourth proportional to 29,077.80, 43,616.70 and 19,746.60 is: 29,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.80 : 43,616.70 = 19,746.60 : x
  2. Step 2: Convert to fraction form
    29,077.80/43,616.70 = 19,746.60/x
  3. Step 3: Cross multiply
    29,077.80x = 43,616.70 × 19,746.60
  4. Step 4: Simplify right side
    29,077.80x = 861,281,528.22
  5. Step 5: Solve for x
    x = 861,281,528.22/29,077.80
  6. Step 6: Final answer
    x = 29,619.90

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1.5x scale

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.