Home / 65,820.40-98,745.96-19,074.16

Finding the Fourth Proportional to 65,820.40, 98,745.96 and 19,074.16

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Solution

The fourth proportional to 65,820.40, 98,745.96 and 19,074.16 is: 28,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,820.40 : 98,745.96 = 19,074.16 : x
  2. Step 2: Convert to fraction form
    65,820.40/98,745.96 = 19,074.16/x
  3. Step 3: Cross multiply
    65,820.40x = 98,745.96 × 19,074.16
  4. Step 4: Simplify right side
    65,820.40x = 1,883,496,240.39
  5. Step 5: Solve for x
    x = 1,883,496,240.39/65,820.40
  6. Step 6: Final answer
    x = 28,615.69

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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.