Home / 32,745.95-45,189.57-19,134.78

Finding the Fourth Proportional to 32,745.95, 45,189.57 and 19,134.78

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Solution

The fourth proportional to 32,745.95, 45,189.57 and 19,134.78 is: 26,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,745.95 : 45,189.57 = 19,134.78 : x
  2. Step 2: Convert to fraction form
    32,745.95/45,189.57 = 19,134.78/x
  3. Step 3: Cross multiply
    32,745.95x = 45,189.57 × 19,134.78
  4. Step 4: Simplify right side
    32,745.95x = 864,692,582.91
  5. Step 5: Solve for x
    x = 864,692,582.91/32,745.95
  6. Step 6: Final answer
    x = 26,406.10

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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.