Home / 32,977.56-45,506.70-18,639.75

Finding the Fourth Proportional to 32,977.56, 45,506.70 and 18,639.75

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Solution

The fourth proportional to 32,977.56, 45,506.70 and 18,639.75 is: 25,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,977.56 : 45,506.70 = 18,639.75 : x
  2. Step 2: Convert to fraction form
    32,977.56/45,506.70 = 18,639.75/x
  3. Step 3: Cross multiply
    32,977.56x = 45,506.70 × 18,639.75
  4. Step 4: Simplify right side
    32,977.56x = 848,233,511.33
  5. Step 5: Solve for x
    x = 848,233,511.33/32,977.56
  6. Step 6: Final answer
    x = 25,721.54

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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.