Home / 53,028.36-79,538.40-30,827.55

Finding the Fourth Proportional to 53,028.36, 79,538.40 and 30,827.55

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Solution

The fourth proportional to 53,028.36, 79,538.40 and 30,827.55 is: 46,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028.36 : 79,538.40 = 30,827.55 : x
  2. Step 2: Convert to fraction form
    53,028.36/79,538.40 = 30,827.55/x
  3. Step 3: Cross multiply
    53,028.36x = 79,538.40 × 30,827.55
  4. Step 4: Simplify right side
    53,028.36x = 2,451,974,002.92
  5. Step 5: Solve for x
    x = 2,451,974,002.92/53,028.36
  6. Step 6: Final answer
    x = 46,238.92

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1.5x scale

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.