Home / 38,114.30-57,206.90-19,408.32

Finding the Fourth Proportional to 38,114.30, 57,206.90 and 19,408.32

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Solution

The fourth proportional to 38,114.30, 57,206.90 and 19,408.32 is: 29,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.30 : 57,206.90 = 19,408.32 : x
  2. Step 2: Convert to fraction form
    38,114.30/57,206.90 = 19,408.32/x
  3. Step 3: Cross multiply
    38,114.30x = 57,206.90 × 19,408.32
  4. Step 4: Simplify right side
    38,114.30x = 1,110,289,821.41
  5. Step 5: Solve for x
    x = 1,110,289,821.41/38,114.30
  6. Step 6: Final answer
    x = 29,130.53

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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.