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Finding the Fourth Proportional to 43,801.53, 65,462.26 and 31,980.21

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Solution

The fourth proportional to 43,801.53, 65,462.26 and 31,980.21 is: 47,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,801.53 : 65,462.26 = 31,980.21 : x
  2. Step 2: Convert to fraction form
    43,801.53/65,462.26 = 31,980.21/x
  3. Step 3: Cross multiply
    43,801.53x = 65,462.26 × 31,980.21
  4. Step 4: Simplify right side
    43,801.53x = 2,093,496,578.27
  5. Step 5: Solve for x
    x = 2,093,496,578.27/43,801.53
  6. Step 6: Final answer
    x = 47,795.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.