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Finding the Fourth Proportional to 35,368.49, 48,807 and 19,451.91

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Solution

The fourth proportional to 35,368.49, 48,807 and 19,451.91 is: 26,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,368.49 : 48,807 = 19,451.91 : x
  2. Step 2: Convert to fraction form
    35,368.49/48,807 = 19,451.91/x
  3. Step 3: Cross multiply
    35,368.49x = 48,807 × 19,451.91
  4. Step 4: Simplify right side
    35,368.49x = 949,389,371.37
  5. Step 5: Solve for x
    x = 949,389,371.37/35,368.49
  6. Step 6: Final answer
    x = 26,842.81

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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.