Home / 45,515.49-68,258.47-17,434.05

Finding the Fourth Proportional to 45,515.49, 68,258.47 and 17,434.05

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Solution

The fourth proportional to 45,515.49, 68,258.47 and 17,434.05 is: 26,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.49 : 68,258.47 = 17,434.05 : x
  2. Step 2: Convert to fraction form
    45,515.49/68,258.47 = 17,434.05/x
  3. Step 3: Cross multiply
    45,515.49x = 68,258.47 × 17,434.05
  4. Step 4: Simplify right side
    45,515.49x = 1,190,021,150.44
  5. Step 5: Solve for x
    x = 1,190,021,150.44/45,515.49
  6. Step 6: Final answer
    x = 26,145.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.