Home / 38,103.40-57,114.60-18,369.10

Finding the Fourth Proportional to 38,103.40, 57,114.60 and 18,369.10

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Solution

The fourth proportional to 38,103.40, 57,114.60 and 18,369.10 is: 27,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.40 : 57,114.60 = 18,369.10 : x
  2. Step 2: Convert to fraction form
    38,103.40/57,114.60 = 18,369.10/x
  3. Step 3: Cross multiply
    38,103.40x = 57,114.60 × 18,369.10
  4. Step 4: Simplify right side
    38,103.40x = 1,049,143,798.86
  5. Step 5: Solve for x
    x = 1,049,143,798.86/38,103.40
  6. Step 6: Final answer
    x = 27,534.13

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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.