Home / 33,338.68-45,985.70-21,383.08

Finding the Fourth Proportional to 33,338.68, 45,985.70 and 21,383.08

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Solution

The fourth proportional to 33,338.68, 45,985.70 and 21,383.08 is: 29,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,338.68 : 45,985.70 = 21,383.08 : x
  2. Step 2: Convert to fraction form
    33,338.68/45,985.70 = 21,383.08/x
  3. Step 3: Cross multiply
    33,338.68x = 45,985.70 × 21,383.08
  4. Step 4: Simplify right side
    33,338.68x = 983,315,901.96
  5. Step 5: Solve for x
    x = 983,315,901.96/33,338.68
  6. Step 6: Final answer
    x = 29,494.75

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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.