Home / 43,820.18-65,758.17-15,739.64

Finding the Fourth Proportional to 43,820.18, 65,758.17 and 15,739.64

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Solution

The fourth proportional to 43,820.18, 65,758.17 and 15,739.64 is: 23,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,820.18 : 65,758.17 = 15,739.64 : x
  2. Step 2: Convert to fraction form
    43,820.18/65,758.17 = 15,739.64/x
  3. Step 3: Cross multiply
    43,820.18x = 65,758.17 × 15,739.64
  4. Step 4: Simplify right side
    43,820.18x = 1,035,009,922.86
  5. Step 5: Solve for x
    x = 1,035,009,922.86/43,820.18
  6. Step 6: Final answer
    x = 23,619.48

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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.