Home / 43,400.72-59,860.14-31,503.44

Finding the Fourth Proportional to 43,400.72, 59,860.14 and 31,503.44

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Solution

The fourth proportional to 43,400.72, 59,860.14 and 31,503.44 is: 43,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,400.72 : 59,860.14 = 31,503.44 : x
  2. Step 2: Convert to fraction form
    43,400.72/59,860.14 = 31,503.44/x
  3. Step 3: Cross multiply
    43,400.72x = 59,860.14 × 31,503.44
  4. Step 4: Simplify right side
    43,400.72x = 1,885,800,328.88
  5. Step 5: Solve for x
    x = 1,885,800,328.88/43,400.72
  6. Step 6: Final answer
    x = 43,450.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.