Home / 49,647.95-74,430.09-21,546.84

Finding the Fourth Proportional to 49,647.95, 74,430.09 and 21,546.84

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Solution

The fourth proportional to 49,647.95, 74,430.09 and 21,546.84 is: 32,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.95 : 74,430.09 = 21,546.84 : x
  2. Step 2: Convert to fraction form
    49,647.95/74,430.09 = 21,546.84/x
  3. Step 3: Cross multiply
    49,647.95x = 74,430.09 × 21,546.84
  4. Step 4: Simplify right side
    49,647.95x = 1,603,733,240.42
  5. Step 5: Solve for x
    x = 1,603,733,240.42/49,647.95
  6. Step 6: Final answer
    x = 32,302.11

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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.