Home / 29,881.08-41,218.80-18,683.64

Finding the Fourth Proportional to 29,881.08, 41,218.80 and 18,683.64

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Solution

The fourth proportional to 29,881.08, 41,218.80 and 18,683.64 is: 25,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,881.08 : 41,218.80 = 18,683.64 : x
  2. Step 2: Convert to fraction form
    29,881.08/41,218.80 = 18,683.64/x
  3. Step 3: Cross multiply
    29,881.08x = 41,218.80 × 18,683.64
  4. Step 4: Simplify right side
    29,881.08x = 770,117,220.43
  5. Step 5: Solve for x
    x = 770,117,220.43/29,881.08
  6. Step 6: Final answer
    x = 25,772.74

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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.