Home / 40,999.78-56,553.69-25,866.01

Finding the Fourth Proportional to 40,999.78, 56,553.69 and 25,866.01

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Solution

The fourth proportional to 40,999.78, 56,553.69 and 25,866.01 is: 35,678.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.78 : 56,553.69 = 25,866.01 : x
  2. Step 2: Convert to fraction form
    40,999.78/56,553.69 = 25,866.01/x
  3. Step 3: Cross multiply
    40,999.78x = 56,553.69 × 25,866.01
  4. Step 4: Simplify right side
    40,999.78x = 1,462,818,311.08
  5. Step 5: Solve for x
    x = 1,462,818,311.08/40,999.78
  6. Step 6: Final answer
    x = 35,678.69

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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.