Home / 53,367.30-73,652.58-30,707.28

Finding the Fourth Proportional to 53,367.30, 73,652.58 and 30,707.28

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Solution

The fourth proportional to 53,367.30, 73,652.58 and 30,707.28 is: 42,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367.30 : 73,652.58 = 30,707.28 : x
  2. Step 2: Convert to fraction form
    53,367.30/73,652.58 = 30,707.28/x
  3. Step 3: Cross multiply
    53,367.30x = 73,652.58 × 30,707.28
  4. Step 4: Simplify right side
    53,367.30x = 2,261,670,396.78
  5. Step 5: Solve for x
    x = 2,261,670,396.78/53,367.30
  6. Step 6: Final answer
    x = 42,379.33

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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.