Home / 31,366.86-46,988.78-18,191.56

Finding the Fourth Proportional to 31,366.86, 46,988.78 and 18,191.56

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Solution

The fourth proportional to 31,366.86, 46,988.78 and 18,191.56 is: 27,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.86 : 46,988.78 = 18,191.56 : x
  2. Step 2: Convert to fraction form
    31,366.86/46,988.78 = 18,191.56/x
  3. Step 3: Cross multiply
    31,366.86x = 46,988.78 × 18,191.56
  4. Step 4: Simplify right side
    31,366.86x = 854,799,210.70
  5. Step 5: Solve for x
    x = 854,799,210.70/31,366.86
  6. Step 6: Final answer
    x = 27,251.67

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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.