Home / 38,695.13-57,964.93-20,188.25

Finding the Fourth Proportional to 38,695.13, 57,964.93 and 20,188.25

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Solution

The fourth proportional to 38,695.13, 57,964.93 and 20,188.25 is: 30,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.13 : 57,964.93 = 20,188.25 : x
  2. Step 2: Convert to fraction form
    38,695.13/57,964.93 = 20,188.25/x
  3. Step 3: Cross multiply
    38,695.13x = 57,964.93 × 20,188.25
  4. Step 4: Simplify right side
    38,695.13x = 1,170,210,498.07
  5. Step 5: Solve for x
    x = 1,170,210,498.07/38,695.13
  6. Step 6: Final answer
    x = 30,241.80

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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.