Home / 31,394.22-43,327.08-17,967.40

Finding the Fourth Proportional to 31,394.22, 43,327.08 and 17,967.40

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Solution

The fourth proportional to 31,394.22, 43,327.08 and 17,967.40 is: 24,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.22 : 43,327.08 = 17,967.40 : x
  2. Step 2: Convert to fraction form
    31,394.22/43,327.08 = 17,967.40/x
  3. Step 3: Cross multiply
    31,394.22x = 43,327.08 × 17,967.40
  4. Step 4: Simplify right side
    31,394.22x = 778,474,977.19
  5. Step 5: Solve for x
    x = 778,474,977.19/31,394.22
  6. Step 6: Final answer
    x = 24,796.76

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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.