Home / 33,112.04-45,688.02-21,166.28

Finding the Fourth Proportional to 33,112.04, 45,688.02 and 21,166.28

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Solution

The fourth proportional to 33,112.04, 45,688.02 and 21,166.28 is: 29,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.04 : 45,688.02 = 21,166.28 : x
  2. Step 2: Convert to fraction form
    33,112.04/45,688.02 = 21,166.28/x
  3. Step 3: Cross multiply
    33,112.04x = 45,688.02 × 21,166.28
  4. Step 4: Simplify right side
    33,112.04x = 967,045,423.97
  5. Step 5: Solve for x
    x = 967,045,423.97/33,112.04
  6. Step 6: Final answer
    x = 29,205.25

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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.