Home / 31,171.60-43,017.84-17,025.28

Finding the Fourth Proportional to 31,171.60, 43,017.84 and 17,025.28

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Solution

The fourth proportional to 31,171.60, 43,017.84 and 17,025.28 is: 23,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.60 : 43,017.84 = 17,025.28 : x
  2. Step 2: Convert to fraction form
    31,171.60/43,017.84 = 17,025.28/x
  3. Step 3: Cross multiply
    31,171.60x = 43,017.84 × 17,025.28
  4. Step 4: Simplify right side
    31,171.60x = 732,390,771.00
  5. Step 5: Solve for x
    x = 732,390,771.00/31,171.60
  6. Step 6: Final answer
    x = 23,495.45

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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.