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Finding the Fourth Proportional to 35,367.90, 48,808.72 and 19,453.38

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Solution

The fourth proportional to 35,367.90, 48,808.72 and 19,453.38 is: 26,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,367.90 : 48,808.72 = 19,453.38 : x
  2. Step 2: Convert to fraction form
    35,367.90/48,808.72 = 19,453.38/x
  3. Step 3: Cross multiply
    35,367.90x = 48,808.72 × 19,453.38
  4. Step 4: Simplify right side
    35,367.90x = 949,494,577.47
  5. Step 5: Solve for x
    x = 949,494,577.47/35,367.90
  6. Step 6: Final answer
    x = 26,846.22

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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.