Home / 33,210.36-45,830.25-18,103.05

Finding the Fourth Proportional to 33,210.36, 45,830.25 and 18,103.05

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Solution

The fourth proportional to 33,210.36, 45,830.25 and 18,103.05 is: 24,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.36 : 45,830.25 = 18,103.05 : x
  2. Step 2: Convert to fraction form
    33,210.36/45,830.25 = 18,103.05/x
  3. Step 3: Cross multiply
    33,210.36x = 45,830.25 × 18,103.05
  4. Step 4: Simplify right side
    33,210.36x = 829,667,307.26
  5. Step 5: Solve for x
    x = 829,667,307.26/33,210.36
  6. Step 6: Final answer
    x = 24,982.18

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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.