Home / 38,189.02-57,276.11-19,208.60

Finding the Fourth Proportional to 38,189.02, 57,276.11 and 19,208.60

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Solution

The fourth proportional to 38,189.02, 57,276.11 and 19,208.60 is: 28,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.02 : 57,276.11 = 19,208.60 : x
  2. Step 2: Convert to fraction form
    38,189.02/57,276.11 = 19,208.60/x
  3. Step 3: Cross multiply
    38,189.02x = 57,276.11 × 19,208.60
  4. Step 4: Simplify right side
    38,189.02x = 1,100,193,648.19
  5. Step 5: Solve for x
    x = 1,100,193,648.19/38,189.02
  6. Step 6: Final answer
    x = 28,809.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.