Home / 33,308.16-45,954.24-21,983.28

Finding the Fourth Proportional to 33,308.16, 45,954.24 and 21,983.28

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Solution

The fourth proportional to 33,308.16, 45,954.24 and 21,983.28 is: 30,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,308.16 : 45,954.24 = 21,983.28 : x
  2. Step 2: Convert to fraction form
    33,308.16/45,954.24 = 21,983.28/x
  3. Step 3: Cross multiply
    33,308.16x = 45,954.24 × 21,983.28
  4. Step 4: Simplify right side
    33,308.16x = 1,010,224,925.11
  5. Step 5: Solve for x
    x = 1,010,224,925.11/33,308.16
  6. Step 6: Final answer
    x = 30,329.65

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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.