Home / 35,318.62-48,739.80-19,403.38

Finding the Fourth Proportional to 35,318.62, 48,739.80 and 19,403.38

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Solution

The fourth proportional to 35,318.62, 48,739.80 and 19,403.38 is: 26,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.62 : 48,739.80 = 19,403.38 : x
  2. Step 2: Convert to fraction form
    35,318.62/48,739.80 = 19,403.38/x
  3. Step 3: Cross multiply
    35,318.62x = 48,739.80 × 19,403.38
  4. Step 4: Simplify right side
    35,318.62x = 945,716,860.52
  5. Step 5: Solve for x
    x = 945,716,860.52/35,318.62
  6. Step 6: Final answer
    x = 26,776.72

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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.