Home / 40,973.22-61,459.47-13,271.22

Finding the Fourth Proportional to 40,973.22, 61,459.47 and 13,271.22

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Solution

The fourth proportional to 40,973.22, 61,459.47 and 13,271.22 is: 19,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,973.22 : 61,459.47 = 13,271.22 : x
  2. Step 2: Convert to fraction form
    40,973.22/61,459.47 = 13,271.22/x
  3. Step 3: Cross multiply
    40,973.22x = 61,459.47 × 13,271.22
  4. Step 4: Simplify right side
    40,973.22x = 815,642,147.45
  5. Step 5: Solve for x
    x = 815,642,147.45/40,973.22
  6. Step 6: Final answer
    x = 19,906.71

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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.