Home / 53,955.21-74,464.94-30,992.22

Finding the Fourth Proportional to 53,955.21, 74,464.94 and 30,992.22

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Solution

The fourth proportional to 53,955.21, 74,464.94 and 30,992.22 is: 42,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.21 : 74,464.94 = 30,992.22 : x
  2. Step 2: Convert to fraction form
    53,955.21/74,464.94 = 30,992.22/x
  3. Step 3: Cross multiply
    53,955.21x = 74,464.94 × 30,992.22
  4. Step 4: Simplify right side
    53,955.21x = 2,307,833,705.92
  5. Step 5: Solve for x
    x = 2,307,833,705.92/53,955.21
  6. Step 6: Final answer
    x = 42,773.14

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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.