Home / 33,789.30-46,629-18,885.30

Finding the Fourth Proportional to 33,789.30, 46,629 and 18,885.30

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Solution

The fourth proportional to 33,789.30, 46,629 and 18,885.30 is: 26,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.30 : 46,629 = 18,885.30 : x
  2. Step 2: Convert to fraction form
    33,789.30/46,629 = 18,885.30/x
  3. Step 3: Cross multiply
    33,789.30x = 46,629 × 18,885.30
  4. Step 4: Simplify right side
    33,789.30x = 880,602,653.70
  5. Step 5: Solve for x
    x = 880,602,653.70/33,789.30
  6. Step 6: Final answer
    x = 26,061.58

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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.