Home / 35,319.09-48,740.37-19,404.56

Finding the Fourth Proportional to 35,319.09, 48,740.37 and 19,404.56

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Solution

The fourth proportional to 35,319.09, 48,740.37 and 19,404.56 is: 26,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.09 : 48,740.37 = 19,404.56 : x
  2. Step 2: Convert to fraction form
    35,319.09/48,740.37 = 19,404.56/x
  3. Step 3: Cross multiply
    35,319.09x = 48,740.37 × 19,404.56
  4. Step 4: Simplify right side
    35,319.09x = 945,785,434.09
  5. Step 5: Solve for x
    x = 945,785,434.09/35,319.09
  6. Step 6: Final answer
    x = 26,778.31

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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.