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Finding the Fourth Proportional to 35,389.84, 48,838.20 and 19,473.84

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Solution

The fourth proportional to 35,389.84, 48,838.20 and 19,473.84 is: 26,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.84 : 48,838.20 = 19,473.84 : x
  2. Step 2: Convert to fraction form
    35,389.84/48,838.20 = 19,473.84/x
  3. Step 3: Cross multiply
    35,389.84x = 48,838.20 × 19,473.84
  4. Step 4: Simplify right side
    35,389.84x = 951,067,292.69
  5. Step 5: Solve for x
    x = 951,067,292.69/35,389.84
  6. Step 6: Final answer
    x = 26,874.02

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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.