Home / 31,216.16-43,078.40-17,069.24

Finding the Fourth Proportional to 31,216.16, 43,078.40 and 17,069.24

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Solution

The fourth proportional to 31,216.16, 43,078.40 and 17,069.24 is: 23,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.16 : 43,078.40 = 17,069.24 : x
  2. Step 2: Convert to fraction form
    31,216.16/43,078.40 = 17,069.24/x
  3. Step 3: Cross multiply
    31,216.16x = 43,078.40 × 17,069.24
  4. Step 4: Simplify right side
    31,216.16x = 735,315,548.42
  5. Step 5: Solve for x
    x = 735,315,548.42/31,216.16
  6. Step 6: Final answer
    x = 23,555.61

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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.