Home / 43,847.55-65,782.13-12,685.95

Finding the Fourth Proportional to 43,847.55, 65,782.13 and 12,685.95

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Solution

The fourth proportional to 43,847.55, 65,782.13 and 12,685.95 is: 19,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,847.55 : 65,782.13 = 12,685.95 : x
  2. Step 2: Convert to fraction form
    43,847.55/65,782.13 = 12,685.95/x
  3. Step 3: Cross multiply
    43,847.55x = 65,782.13 × 12,685.95
  4. Step 4: Simplify right side
    43,847.55x = 834,508,748.64
  5. Step 5: Solve for x
    x = 834,508,748.64/43,847.55
  6. Step 6: Final answer
    x = 19,032.05

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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.