Home / 33,203.15-45,821.23-18,862.51

Finding the Fourth Proportional to 33,203.15, 45,821.23 and 18,862.51

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Solution

The fourth proportional to 33,203.15, 45,821.23 and 18,862.51 is: 26,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,203.15 : 45,821.23 = 18,862.51 : x
  2. Step 2: Convert to fraction form
    33,203.15/45,821.23 = 18,862.51/x
  3. Step 3: Cross multiply
    33,203.15x = 45,821.23 × 18,862.51
  4. Step 4: Simplify right side
    33,203.15x = 864,303,409.09
  5. Step 5: Solve for x
    x = 864,303,409.09/33,203.15
  6. Step 6: Final answer
    x = 26,030.77

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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.