Home / 32,977.74-45,507.11-21,039.80

Finding the Fourth Proportional to 32,977.74, 45,507.11 and 21,039.80

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Solution

The fourth proportional to 32,977.74, 45,507.11 and 21,039.80 is: 29,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,977.74 : 45,507.11 = 21,039.80 : x
  2. Step 2: Convert to fraction form
    32,977.74/45,507.11 = 21,039.80/x
  3. Step 3: Cross multiply
    32,977.74x = 45,507.11 × 21,039.80
  4. Step 4: Simplify right side
    32,977.74x = 957,460,492.98
  5. Step 5: Solve for x
    x = 957,460,492.98/32,977.74
  6. Step 6: Final answer
    x = 29,033.54

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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.