Home / 38,533.58-53,173.77-21,765.50

Finding the Fourth Proportional to 38,533.58, 53,173.77 and 21,765.50

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Solution

The fourth proportional to 38,533.58, 53,173.77 and 21,765.50 is: 30,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.58 : 53,173.77 = 21,765.50 : x
  2. Step 2: Convert to fraction form
    38,533.58/53,173.77 = 21,765.50/x
  3. Step 3: Cross multiply
    38,533.58x = 53,173.77 × 21,765.50
  4. Step 4: Simplify right side
    38,533.58x = 1,157,353,690.94
  5. Step 5: Solve for x
    x = 1,157,353,690.94/38,533.58
  6. Step 6: Final answer
    x = 30,034.94

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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.