Home / 32,976.99-45,506.08-21,039.05

Finding the Fourth Proportional to 32,976.99, 45,506.08 and 21,039.05

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Solution

The fourth proportional to 32,976.99, 45,506.08 and 21,039.05 is: 29,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.99 : 45,506.08 = 21,039.05 : x
  2. Step 2: Convert to fraction form
    32,976.99/45,506.08 = 21,039.05/x
  3. Step 3: Cross multiply
    32,976.99x = 45,506.08 × 21,039.05
  4. Step 4: Simplify right side
    32,976.99x = 957,404,587.23
  5. Step 5: Solve for x
    x = 957,404,587.23/32,976.99
  6. Step 6: Final answer
    x = 29,032.51

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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.