Home / 35,692.74-49,258.98-19,778.67

Finding the Fourth Proportional to 35,692.74, 49,258.98 and 19,778.67

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Solution

The fourth proportional to 35,692.74, 49,258.98 and 19,778.67 is: 27,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,692.74 : 49,258.98 = 19,778.67 : x
  2. Step 2: Convert to fraction form
    35,692.74/49,258.98 = 19,778.67/x
  3. Step 3: Cross multiply
    35,692.74x = 49,258.98 × 19,778.67
  4. Step 4: Simplify right side
    35,692.74x = 974,277,109.96
  5. Step 5: Solve for x
    x = 974,277,109.96/35,692.74
  6. Step 6: Final answer
    x = 27,296.23

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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.