Home / 40,750.21-61,112.87-28,180.77

Finding the Fourth Proportional to 40,750.21, 61,112.87 and 28,180.77

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Solution

The fourth proportional to 40,750.21, 61,112.87 and 28,180.77 is: 42,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,750.21 : 61,112.87 = 28,180.77 : x
  2. Step 2: Convert to fraction form
    40,750.21/61,112.87 = 28,180.77/x
  3. Step 3: Cross multiply
    40,750.21x = 61,112.87 × 28,180.77
  4. Step 4: Simplify right side
    40,750.21x = 1,722,207,733.51
  5. Step 5: Solve for x
    x = 1,722,207,733.51/40,750.21
  6. Step 6: Final answer
    x = 42,262.55

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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.