Home / 53,216.32-73,431.60-30,556.30

Finding the Fourth Proportional to 53,216.32, 73,431.60 and 30,556.30

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Solution

The fourth proportional to 53,216.32, 73,431.60 and 30,556.30 is: 42,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.32 : 73,431.60 = 30,556.30 : x
  2. Step 2: Convert to fraction form
    53,216.32/73,431.60 = 30,556.30/x
  3. Step 3: Cross multiply
    53,216.32x = 73,431.60 × 30,556.30
  4. Step 4: Simplify right side
    53,216.32x = 2,243,797,999.08
  5. Step 5: Solve for x
    x = 2,243,797,999.08/53,216.32
  6. Step 6: Final answer
    x = 42,163.72

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1.5x scale

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.