Home / 49,139.24-67,812.35-27,919.67

Finding the Fourth Proportional to 49,139.24, 67,812.35 and 27,919.67

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Solution

The fourth proportional to 49,139.24, 67,812.35 and 27,919.67 is: 38,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,139.24 : 67,812.35 = 27,919.67 : x
  2. Step 2: Convert to fraction form
    49,139.24/67,812.35 = 27,919.67/x
  3. Step 3: Cross multiply
    49,139.24x = 67,812.35 × 27,919.67
  4. Step 4: Simplify right side
    49,139.24x = 1,893,297,955.26
  5. Step 5: Solve for x
    x = 1,893,297,955.26/49,139.24
  6. Step 6: Final answer
    x = 38,529.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.