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Finding the Fourth Proportional to 35,453.92, 48,925.43 and 19,320.88

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Solution

The fourth proportional to 35,453.92, 48,925.43 and 19,320.88 is: 26,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.92 : 48,925.43 = 19,320.88 : x
  2. Step 2: Convert to fraction form
    35,453.92/48,925.43 = 19,320.88/x
  3. Step 3: Cross multiply
    35,453.92x = 48,925.43 × 19,320.88
  4. Step 4: Simplify right side
    35,453.92x = 945,282,361.98
  5. Step 5: Solve for x
    x = 945,282,361.98/35,453.92
  6. Step 6: Final answer
    x = 26,662.28

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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.