Home / 40,821.94-61,203.93-15,840.91

Finding the Fourth Proportional to 40,821.94, 61,203.93 and 15,840.91

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Solution

The fourth proportional to 40,821.94, 61,203.93 and 15,840.91 is: 23,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.94 : 61,203.93 = 15,840.91 : x
  2. Step 2: Convert to fraction form
    40,821.94/61,203.93 = 15,840.91/x
  3. Step 3: Cross multiply
    40,821.94x = 61,203.93 × 15,840.91
  4. Step 4: Simplify right side
    40,821.94x = 969,525,946.78
  5. Step 5: Solve for x
    x = 969,525,946.78/40,821.94
  6. Step 6: Final answer
    x = 23,750.12

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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.