Home / 33,278.81-45,908.18-19,840.60

Finding the Fourth Proportional to 33,278.81, 45,908.18 and 19,840.60

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Solution

The fourth proportional to 33,278.81, 45,908.18 and 19,840.60 is: 27,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.81 : 45,908.18 = 19,840.60 : x
  2. Step 2: Convert to fraction form
    33,278.81/45,908.18 = 19,840.60/x
  3. Step 3: Cross multiply
    33,278.81x = 45,908.18 × 19,840.60
  4. Step 4: Simplify right side
    33,278.81x = 910,845,836.11
  5. Step 5: Solve for x
    x = 910,845,836.11/33,278.81
  6. Step 6: Final answer
    x = 27,370.14

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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.