Home / 43,589.21-65,377.60-14,003.21

Finding the Fourth Proportional to 43,589.21, 65,377.60 and 14,003.21

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Solution

The fourth proportional to 43,589.21, 65,377.60 and 14,003.21 is: 21,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,589.21 : 65,377.60 = 14,003.21 : x
  2. Step 2: Convert to fraction form
    43,589.21/65,377.60 = 14,003.21/x
  3. Step 3: Cross multiply
    43,589.21x = 65,377.60 × 14,003.21
  4. Step 4: Simplify right side
    43,589.21x = 915,496,390.53
  5. Step 5: Solve for x
    x = 915,496,390.53/43,589.21
  6. Step 6: Final answer
    x = 21,002.82

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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.