Home / 37,403.38-56,146.11-18,678.16

Finding the Fourth Proportional to 37,403.38, 56,146.11 and 18,678.16

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Solution

The fourth proportional to 37,403.38, 56,146.11 and 18,678.16 is: 28,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,403.38 : 56,146.11 = 18,678.16 : x
  2. Step 2: Convert to fraction form
    37,403.38/56,146.11 = 18,678.16/x
  3. Step 3: Cross multiply
    37,403.38x = 56,146.11 × 18,678.16
  4. Step 4: Simplify right side
    37,403.38x = 1,048,706,025.96
  5. Step 5: Solve for x
    x = 1,048,706,025.96/37,403.38
  6. Step 6: Final answer
    x = 28,037.73

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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.