Home / 43,830.37-65,760.81-13,849.18

Finding the Fourth Proportional to 43,830.37, 65,760.81 and 13,849.18

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Solution

The fourth proportional to 43,830.37, 65,760.81 and 13,849.18 is: 20,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830.37 : 65,760.81 = 13,849.18 : x
  2. Step 2: Convert to fraction form
    43,830.37/65,760.81 = 13,849.18/x
  3. Step 3: Cross multiply
    43,830.37x = 65,760.81 × 13,849.18
  4. Step 4: Simplify right side
    43,830.37x = 910,733,156.20
  5. Step 5: Solve for x
    x = 910,733,156.20/43,830.37
  6. Step 6: Final answer
    x = 20,778.59

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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.