Home / 38,660.85-53,377.68-29,692.32

Finding the Fourth Proportional to 38,660.85, 53,377.68 and 29,692.32

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Solution

The fourth proportional to 38,660.85, 53,377.68 and 29,692.32 is: 40,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.85 : 53,377.68 = 29,692.32 : x
  2. Step 2: Convert to fraction form
    38,660.85/53,377.68 = 29,692.32/x
  3. Step 3: Cross multiply
    38,660.85x = 53,377.68 × 29,692.32
  4. Step 4: Simplify right side
    38,660.85x = 1,584,907,155.42
  5. Step 5: Solve for x
    x = 1,584,907,155.42/38,660.85
  6. Step 6: Final answer
    x = 40,995.15

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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.