Home / 38,081.64-57,155.27-18,376.77

Finding the Fourth Proportional to 38,081.64, 57,155.27 and 18,376.77

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Solution

The fourth proportional to 38,081.64, 57,155.27 and 18,376.77 is: 27,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.64 : 57,155.27 = 18,376.77 : x
  2. Step 2: Convert to fraction form
    38,081.64/57,155.27 = 18,376.77/x
  3. Step 3: Cross multiply
    38,081.64x = 57,155.27 × 18,376.77
  4. Step 4: Simplify right side
    38,081.64x = 1,050,329,251.08
  5. Step 5: Solve for x
    x = 1,050,329,251.08/38,081.64
  6. Step 6: Final answer
    x = 27,580.99

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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.