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Finding the Fourth Proportional to 35,394.17, 48,843 and 19,476.45

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Solution

The fourth proportional to 35,394.17, 48,843 and 19,476.45 is: 26,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.17 : 48,843 = 19,476.45 : x
  2. Step 2: Convert to fraction form
    35,394.17/48,843 = 19,476.45/x
  3. Step 3: Cross multiply
    35,394.17x = 48,843 × 19,476.45
  4. Step 4: Simplify right side
    35,394.17x = 951,288,247.35
  5. Step 5: Solve for x
    x = 951,288,247.35/35,394.17
  6. Step 6: Final answer
    x = 26,876.98

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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.