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Finding the Fourth Proportional to 34,605, 47,754.90 and 19,703.88

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Solution

The fourth proportional to 34,605, 47,754.90 and 19,703.88 is: 27,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605 : 47,754.90 = 19,703.88 : x
  2. Step 2: Convert to fraction form
    34,605/47,754.90 = 19,703.88/x
  3. Step 3: Cross multiply
    34,605x = 47,754.90 × 19,703.88
  4. Step 4: Simplify right side
    34,605x = 940,956,819.01
  5. Step 5: Solve for x
    x = 940,956,819.01/34,605
  6. Step 6: Final answer
    x = 27,191.35

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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.