Home / 40,965.75-61,391.48-30,962.25

Finding the Fourth Proportional to 40,965.75, 61,391.48 and 30,962.25

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Solution

The fourth proportional to 40,965.75, 61,391.48 and 30,962.25 is: 46,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,965.75 : 61,391.48 = 30,962.25 : x
  2. Step 2: Convert to fraction form
    40,965.75/61,391.48 = 30,962.25/x
  3. Step 3: Cross multiply
    40,965.75x = 61,391.48 × 30,962.25
  4. Step 4: Simplify right side
    40,965.75x = 1,900,818,196.82
  5. Step 5: Solve for x
    x = 1,900,818,196.82/40,965.75
  6. Step 6: Final answer
    x = 46,400.18

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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.