Home / 37,400.27-56,081.70-12,431.54

Finding the Fourth Proportional to 37,400.27, 56,081.70 and 12,431.54

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Solution

The fourth proportional to 37,400.27, 56,081.70 and 12,431.54 is: 18,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,400.27 : 56,081.70 = 12,431.54 : x
  2. Step 2: Convert to fraction form
    37,400.27/56,081.70 = 12,431.54/x
  3. Step 3: Cross multiply
    37,400.27x = 56,081.70 × 12,431.54
  4. Step 4: Simplify right side
    37,400.27x = 697,182,037.02
  5. Step 5: Solve for x
    x = 697,182,037.02/37,400.27
  6. Step 6: Final answer
    x = 18,641.10

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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.