Home / 53,143.02-73,335.24-29,268

Finding the Fourth Proportional to 53,143.02, 73,335.24 and 29,268

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Solution

The fourth proportional to 53,143.02, 73,335.24 and 29,268 is: 40,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143.02 : 73,335.24 = 29,268 : x
  2. Step 2: Convert to fraction form
    53,143.02/73,335.24 = 29,268/x
  3. Step 3: Cross multiply
    53,143.02x = 73,335.24 × 29,268
  4. Step 4: Simplify right side
    53,143.02x = 2,146,375,804.32
  5. Step 5: Solve for x
    x = 2,146,375,804.32/53,143.02
  6. Step 6: Final answer
    x = 40,388.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.