Home / 39,235.08-54,129.34-29,050.36

Finding the Fourth Proportional to 39,235.08, 54,129.34 and 29,050.36

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Solution

The fourth proportional to 39,235.08, 54,129.34 and 29,050.36 is: 40,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.08 : 54,129.34 = 29,050.36 : x
  2. Step 2: Convert to fraction form
    39,235.08/54,129.34 = 29,050.36/x
  3. Step 3: Cross multiply
    39,235.08x = 54,129.34 × 29,050.36
  4. Step 4: Simplify right side
    39,235.08x = 1,572,476,813.56
  5. Step 5: Solve for x
    x = 1,572,476,813.56/39,235.08
  6. Step 6: Final answer
    x = 40,078.34

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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.