Home / 49,283.70-73,885.05-21,225.30

Finding the Fourth Proportional to 49,283.70, 73,885.05 and 21,225.30

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Solution

The fourth proportional to 49,283.70, 73,885.05 and 21,225.30 is: 31,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,283.70 : 73,885.05 = 21,225.30 : x
  2. Step 2: Convert to fraction form
    49,283.70/73,885.05 = 21,225.30/x
  3. Step 3: Cross multiply
    49,283.70x = 73,885.05 × 21,225.30
  4. Step 4: Simplify right side
    49,283.70x = 1,568,232,351.77
  5. Step 5: Solve for x
    x = 1,568,232,351.77/49,283.70
  6. Step 6: Final answer
    x = 31,820.51

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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.