Home / 33,062.19-45,603.23-21,120.18

Finding the Fourth Proportional to 33,062.19, 45,603.23 and 21,120.18

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Solution

The fourth proportional to 33,062.19, 45,603.23 and 21,120.18 is: 29,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,062.19 : 45,603.23 = 21,120.18 : x
  2. Step 2: Convert to fraction form
    33,062.19/45,603.23 = 21,120.18/x
  3. Step 3: Cross multiply
    33,062.19x = 45,603.23 × 21,120.18
  4. Step 4: Simplify right side
    33,062.19x = 963,148,320.58
  5. Step 5: Solve for x
    x = 963,148,320.58/33,062.19
  6. Step 6: Final answer
    x = 29,131.41

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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.