Home / 40,531.22-60,796.11-12,828.50

Finding the Fourth Proportional to 40,531.22, 60,796.11 and 12,828.50

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Solution

The fourth proportional to 40,531.22, 60,796.11 and 12,828.50 is: 19,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,531.22 : 60,796.11 = 12,828.50 : x
  2. Step 2: Convert to fraction form
    40,531.22/60,796.11 = 12,828.50/x
  3. Step 3: Cross multiply
    40,531.22x = 60,796.11 × 12,828.50
  4. Step 4: Simplify right side
    40,531.22x = 779,922,897.14
  5. Step 5: Solve for x
    x = 779,922,897.14/40,531.22
  6. Step 6: Final answer
    x = 19,242.52

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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.