Home / 39,484.91-54,534.44-28,777.52

Finding the Fourth Proportional to 39,484.91, 54,534.44 and 28,777.52

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Solution

The fourth proportional to 39,484.91, 54,534.44 and 28,777.52 is: 39,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,484.91 : 54,534.44 = 28,777.52 : x
  2. Step 2: Convert to fraction form
    39,484.91/54,534.44 = 28,777.52/x
  3. Step 3: Cross multiply
    39,484.91x = 54,534.44 × 28,777.52
  4. Step 4: Simplify right side
    39,484.91x = 1,569,366,146.07
  5. Step 5: Solve for x
    x = 1,569,366,146.07/39,484.91
  6. Step 6: Final answer
    x = 39,745.97

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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.