Home / 31,334.64-43,241.40-17,905.74

Finding the Fourth Proportional to 31,334.64, 43,241.40 and 17,905.74

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Solution

The fourth proportional to 31,334.64, 43,241.40 and 17,905.74 is: 24,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.64 : 43,241.40 = 17,905.74 : x
  2. Step 2: Convert to fraction form
    31,334.64/43,241.40 = 17,905.74/x
  3. Step 3: Cross multiply
    31,334.64x = 43,241.40 × 17,905.74
  4. Step 4: Simplify right side
    31,334.64x = 774,269,265.64
  5. Step 5: Solve for x
    x = 774,269,265.64/31,334.64
  6. Step 6: Final answer
    x = 24,709.69

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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.