Home / 34,785.99-48,003.30-18,869.85

Finding the Fourth Proportional to 34,785.99, 48,003.30 and 18,869.85

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Solution

The fourth proportional to 34,785.99, 48,003.30 and 18,869.85 is: 26,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.99 : 48,003.30 = 18,869.85 : x
  2. Step 2: Convert to fraction form
    34,785.99/48,003.30 = 18,869.85/x
  3. Step 3: Cross multiply
    34,785.99x = 48,003.30 × 18,869.85
  4. Step 4: Simplify right side
    34,785.99x = 905,815,070.51
  5. Step 5: Solve for x
    x = 905,815,070.51/34,785.99
  6. Step 6: Final answer
    x = 26,039.65

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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.