Home / 53,477.75-73,777.73-30,804.64

Finding the Fourth Proportional to 53,477.75, 73,777.73 and 30,804.64

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Solution

The fourth proportional to 53,477.75, 73,777.73 and 30,804.64 is: 42,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.75 : 73,777.73 = 30,804.64 : x
  2. Step 2: Convert to fraction form
    53,477.75/73,777.73 = 30,804.64/x
  3. Step 3: Cross multiply
    53,477.75x = 73,777.73 × 30,804.64
  4. Step 4: Simplify right side
    53,477.75x = 2,272,696,074.20
  5. Step 5: Solve for x
    x = 2,272,696,074.20/53,477.75
  6. Step 6: Final answer
    x = 42,497.97

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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.