Home / 53,405.34-80,064.09-31,163.82

Finding the Fourth Proportional to 53,405.34, 80,064.09 and 31,163.82

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Solution

The fourth proportional to 53,405.34, 80,064.09 and 31,163.82 is: 46,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.34 : 80,064.09 = 31,163.82 : x
  2. Step 2: Convert to fraction form
    53,405.34/80,064.09 = 31,163.82/x
  3. Step 3: Cross multiply
    53,405.34x = 80,064.09 × 31,163.82
  4. Step 4: Simplify right side
    53,405.34x = 2,495,102,889.22
  5. Step 5: Solve for x
    x = 2,495,102,889.22/53,405.34
  6. Step 6: Final answer
    x = 46,720.10

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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.