Home / 65,353.44-98,030.16-30,288.48

Finding the Fourth Proportional to 65,353.44, 98,030.16 and 30,288.48

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Solution

The fourth proportional to 65,353.44, 98,030.16 and 30,288.48 is: 45,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,353.44 : 98,030.16 = 30,288.48 : x
  2. Step 2: Convert to fraction form
    65,353.44/98,030.16 = 30,288.48/x
  3. Step 3: Cross multiply
    65,353.44x = 98,030.16 × 30,288.48
  4. Step 4: Simplify right side
    65,353.44x = 2,969,184,540.56
  5. Step 5: Solve for x
    x = 2,969,184,540.56/65,353.44
  6. Step 6: Final answer
    x = 45,432.72

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Similar ratio
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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.