Home / 53,023.11-79,530.53-30,822.32

Finding the Fourth Proportional to 53,023.11, 79,530.53 and 30,822.32

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Solution

The fourth proportional to 53,023.11, 79,530.53 and 30,822.32 is: 46,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,023.11 : 79,530.53 = 30,822.32 : x
  2. Step 2: Convert to fraction form
    53,023.11/79,530.53 = 30,822.32/x
  3. Step 3: Cross multiply
    53,023.11x = 79,530.53 × 30,822.32
  4. Step 4: Simplify right side
    53,023.11x = 2,451,315,490.14
  5. Step 5: Solve for x
    x = 2,451,315,490.14/53,023.11
  6. Step 6: Final answer
    x = 46,231.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.