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Finding the Fourth Proportional to 35,266.87, 48,671.34 and 19,354.40

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Solution

The fourth proportional to 35,266.87, 48,671.34 and 19,354.40 is: 26,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,266.87 : 48,671.34 = 19,354.40 : x
  2. Step 2: Convert to fraction form
    35,266.87/48,671.34 = 19,354.40/x
  3. Step 3: Cross multiply
    35,266.87x = 48,671.34 × 19,354.40
  4. Step 4: Simplify right side
    35,266.87x = 942,004,582.90
  5. Step 5: Solve for x
    x = 942,004,582.90/35,266.87
  6. Step 6: Final answer
    x = 26,710.75

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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.