Home / 43,418-65,126.29-13,835.43

Finding the Fourth Proportional to 43,418, 65,126.29 and 13,835.43

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Solution

The fourth proportional to 43,418, 65,126.29 and 13,835.43 is: 20,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418 : 65,126.29 = 13,835.43 : x
  2. Step 2: Convert to fraction form
    43,418/65,126.29 = 13,835.43/x
  3. Step 3: Cross multiply
    43,418x = 65,126.29 × 13,835.43
  4. Step 4: Simplify right side
    43,418x = 901,050,226.45
  5. Step 5: Solve for x
    x = 901,050,226.45/43,418
  6. Step 6: Final answer
    x = 20,752.92

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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.