Home / 52,690.45-79,035.48-18,956.39

Finding the Fourth Proportional to 52,690.45, 79,035.48 and 18,956.39

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Solution

The fourth proportional to 52,690.45, 79,035.48 and 18,956.39 is: 28,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690.45 : 79,035.48 = 18,956.39 : x
  2. Step 2: Convert to fraction form
    52,690.45/79,035.48 = 18,956.39/x
  3. Step 3: Cross multiply
    52,690.45x = 79,035.48 × 18,956.39
  4. Step 4: Simplify right side
    52,690.45x = 1,498,227,432.11
  5. Step 5: Solve for x
    x = 1,498,227,432.11/52,690.45
  6. Step 6: Final answer
    x = 28,434.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.