Home / 31,012.60-42,800.34-17,584.48

Finding the Fourth Proportional to 31,012.60, 42,800.34 and 17,584.48

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Solution

The fourth proportional to 31,012.60, 42,800.34 and 17,584.48 is: 24,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.60 : 42,800.34 = 17,584.48 : x
  2. Step 2: Convert to fraction form
    31,012.60/42,800.34 = 17,584.48/x
  3. Step 3: Cross multiply
    31,012.60x = 42,800.34 × 17,584.48
  4. Step 4: Simplify right side
    31,012.60x = 752,621,722.72
  5. Step 5: Solve for x
    x = 752,621,722.72/31,012.60
  6. Step 6: Final answer
    x = 24,268.26

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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.