Home / 35,911.54-49,558.80-20,804.23

Finding the Fourth Proportional to 35,911.54, 49,558.80 and 20,804.23

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Solution

The fourth proportional to 35,911.54, 49,558.80 and 20,804.23 is: 28,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.54 : 49,558.80 = 20,804.23 : x
  2. Step 2: Convert to fraction form
    35,911.54/49,558.80 = 20,804.23/x
  3. Step 3: Cross multiply
    35,911.54x = 49,558.80 × 20,804.23
  4. Step 4: Simplify right side
    35,911.54x = 1,031,032,673.72
  5. Step 5: Solve for x
    x = 1,031,032,673.72/35,911.54
  6. Step 6: Final answer
    x = 28,710.34

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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.