Home / 35,471.18-48,950.82-19,555.40

Finding the Fourth Proportional to 35,471.18, 48,950.82 and 19,555.40

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Solution

The fourth proportional to 35,471.18, 48,950.82 and 19,555.40 is: 26,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.18 : 48,950.82 = 19,555.40 : x
  2. Step 2: Convert to fraction form
    35,471.18/48,950.82 = 19,555.40/x
  3. Step 3: Cross multiply
    35,471.18x = 48,950.82 × 19,555.40
  4. Step 4: Simplify right side
    35,471.18x = 957,252,865.43
  5. Step 5: Solve for x
    x = 957,252,865.43/35,471.18
  6. Step 6: Final answer
    x = 26,986.78

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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.