Home / 40,188.56-55,459.35-23,191.47

Finding the Fourth Proportional to 40,188.56, 55,459.35 and 23,191.47

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Solution

The fourth proportional to 40,188.56, 55,459.35 and 23,191.47 is: 32,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.56 : 55,459.35 = 23,191.47 : x
  2. Step 2: Convert to fraction form
    40,188.56/55,459.35 = 23,191.47/x
  3. Step 3: Cross multiply
    40,188.56x = 55,459.35 × 23,191.47
  4. Step 4: Simplify right side
    40,188.56x = 1,286,183,851.74
  5. Step 5: Solve for x
    x = 1,286,183,851.74/40,188.56
  6. Step 6: Final answer
    x = 32,003.73

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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.