Home / 53,480.58-73,810.92-30,815.23

Finding the Fourth Proportional to 53,480.58, 73,810.92 and 30,815.23

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Solution

The fourth proportional to 53,480.58, 73,810.92 and 30,815.23 is: 42,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.58 : 73,810.92 = 30,815.23 : x
  2. Step 2: Convert to fraction form
    53,480.58/73,810.92 = 30,815.23/x
  3. Step 3: Cross multiply
    53,480.58x = 73,810.92 × 30,815.23
  4. Step 4: Simplify right side
    53,480.58x = 2,274,500,476.31
  5. Step 5: Solve for x
    x = 2,274,500,476.31/53,480.58
  6. Step 6: Final answer
    x = 42,529.47

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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.