Home / 34,835.05-48,071.84-18,919.36

Finding the Fourth Proportional to 34,835.05, 48,071.84 and 18,919.36

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Solution

The fourth proportional to 34,835.05, 48,071.84 and 18,919.36 is: 26,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,835.05 : 48,071.84 = 18,919.36 : x
  2. Step 2: Convert to fraction form
    34,835.05/48,071.84 = 18,919.36/x
  3. Step 3: Cross multiply
    34,835.05x = 48,071.84 × 18,919.36
  4. Step 4: Simplify right side
    34,835.05x = 909,488,446.82
  5. Step 5: Solve for x
    x = 909,488,446.82/34,835.05
  6. Step 6: Final answer
    x = 26,108.43

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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.