Home / 33,938.30-46,822.74-21,186.64

Finding the Fourth Proportional to 33,938.30, 46,822.74 and 21,186.64

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Solution

The fourth proportional to 33,938.30, 46,822.74 and 21,186.64 is: 29,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,938.30 : 46,822.74 = 21,186.64 : x
  2. Step 2: Convert to fraction form
    33,938.30/46,822.74 = 21,186.64/x
  3. Step 3: Cross multiply
    33,938.30x = 46,822.74 × 21,186.64
  4. Step 4: Simplify right side
    33,938.30x = 992,016,536.19
  5. Step 5: Solve for x
    x = 992,016,536.19/33,938.30
  6. Step 6: Final answer
    x = 29,230.00

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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.