Home / 47,629.80-65,729.52-26,409.36

Finding the Fourth Proportional to 47,629.80, 65,729.52 and 26,409.36

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Solution

The fourth proportional to 47,629.80, 65,729.52 and 26,409.36 is: 36,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,629.80 : 65,729.52 = 26,409.36 : x
  2. Step 2: Convert to fraction form
    47,629.80/65,729.52 = 26,409.36/x
  3. Step 3: Cross multiply
    47,629.80x = 65,729.52 × 26,409.36
  4. Step 4: Simplify right side
    47,629.80x = 1,735,874,556.31
  5. Step 5: Solve for x
    x = 1,735,874,556.31/47,629.80
  6. Step 6: Final answer
    x = 36,445.14

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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.