Home / 38,551.60-53,198.64-21,783.52

Finding the Fourth Proportional to 38,551.60, 53,198.64 and 21,783.52

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Solution

The fourth proportional to 38,551.60, 53,198.64 and 21,783.52 is: 30,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.60 : 53,198.64 = 21,783.52 : x
  2. Step 2: Convert to fraction form
    38,551.60/53,198.64 = 21,783.52/x
  3. Step 3: Cross multiply
    38,551.60x = 53,198.64 × 21,783.52
  4. Step 4: Simplify right side
    38,551.60x = 1,158,853,638.41
  5. Step 5: Solve for x
    x = 1,158,853,638.41/38,551.60
  6. Step 6: Final answer
    x = 30,059.81

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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.