Home / 35,346.69-48,778.53-20,239.58

Finding the Fourth Proportional to 35,346.69, 48,778.53 and 20,239.58

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Solution

The fourth proportional to 35,346.69, 48,778.53 and 20,239.58 is: 27,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.69 : 48,778.53 = 20,239.58 : x
  2. Step 2: Convert to fraction form
    35,346.69/48,778.53 = 20,239.58/x
  3. Step 3: Cross multiply
    35,346.69x = 48,778.53 × 20,239.58
  4. Step 4: Simplify right side
    35,346.69x = 987,256,960.22
  5. Step 5: Solve for x
    x = 987,256,960.22/35,346.69
  6. Step 6: Final answer
    x = 27,930.68

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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.