Home / 53,230.88-73,455.90-30,554.12

Finding the Fourth Proportional to 53,230.88, 73,455.90 and 30,554.12

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Solution

The fourth proportional to 53,230.88, 73,455.90 and 30,554.12 is: 42,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.88 : 73,455.90 = 30,554.12 : x
  2. Step 2: Convert to fraction form
    53,230.88/73,455.90 = 30,554.12/x
  3. Step 3: Cross multiply
    53,230.88x = 73,455.90 × 30,554.12
  4. Step 4: Simplify right side
    53,230.88x = 2,244,380,383.31
  5. Step 5: Solve for x
    x = 2,244,380,383.31/53,230.88
  6. Step 6: Final answer
    x = 42,163.13

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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.