Home / 40,921.21-61,384.41-12,842.37

Finding the Fourth Proportional to 40,921.21, 61,384.41 and 12,842.37

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Solution

The fourth proportional to 40,921.21, 61,384.41 and 12,842.37 is: 19,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.21 : 61,384.41 = 12,842.37 : x
  2. Step 2: Convert to fraction form
    40,921.21/61,384.41 = 12,842.37/x
  3. Step 3: Cross multiply
    40,921.21x = 61,384.41 × 12,842.37
  4. Step 4: Simplify right side
    40,921.21x = 788,321,305.45
  5. Step 5: Solve for x
    x = 788,321,305.45/40,921.21
  6. Step 6: Final answer
    x = 19,264.37

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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.