Home / 35,318.09-48,738.99-19,403.56

Finding the Fourth Proportional to 35,318.09, 48,738.99 and 19,403.56

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Solution

The fourth proportional to 35,318.09, 48,738.99 and 19,403.56 is: 26,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.09 : 48,738.99 = 19,403.56 : x
  2. Step 2: Convert to fraction form
    35,318.09/48,738.99 = 19,403.56/x
  3. Step 3: Cross multiply
    35,318.09x = 48,738.99 × 19,403.56
  4. Step 4: Simplify right side
    35,318.09x = 945,709,916.80
  5. Step 5: Solve for x
    x = 945,709,916.80/35,318.09
  6. Step 6: Final answer
    x = 26,776.93

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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.