Home / 35,373.69-48,819.27-20,268.36

Finding the Fourth Proportional to 35,373.69, 48,819.27 and 20,268.36

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Solution

The fourth proportional to 35,373.69, 48,819.27 and 20,268.36 is: 27,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.69 : 48,819.27 = 20,268.36 : x
  2. Step 2: Convert to fraction form
    35,373.69/48,819.27 = 20,268.36/x
  3. Step 3: Cross multiply
    35,373.69x = 48,819.27 × 20,268.36
  4. Step 4: Simplify right side
    35,373.69x = 989,486,467.92
  5. Step 5: Solve for x
    x = 989,486,467.92/35,373.69
  6. Step 6: Final answer
    x = 27,972.38

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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.