Home / 40,762.22-61,090.68-18,256.45

Finding the Fourth Proportional to 40,762.22, 61,090.68 and 18,256.45

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Solution

The fourth proportional to 40,762.22, 61,090.68 and 18,256.45 is: 27,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762.22 : 61,090.68 = 18,256.45 : x
  2. Step 2: Convert to fraction form
    40,762.22/61,090.68 = 18,256.45/x
  3. Step 3: Cross multiply
    40,762.22x = 61,090.68 × 18,256.45
  4. Step 4: Simplify right side
    40,762.22x = 1,115,298,639.43
  5. Step 5: Solve for x
    x = 1,115,298,639.43/40,762.22
  6. Step 6: Final answer
    x = 27,361.09

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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.