Home / 33,412.50-46,109.25-18,511.38

Finding the Fourth Proportional to 33,412.50, 46,109.25 and 18,511.38

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Solution

The fourth proportional to 33,412.50, 46,109.25 and 18,511.38 is: 25,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,412.50 : 46,109.25 = 18,511.38 : x
  2. Step 2: Convert to fraction form
    33,412.50/46,109.25 = 18,511.38/x
  3. Step 3: Cross multiply
    33,412.50x = 46,109.25 × 18,511.38
  4. Step 4: Simplify right side
    33,412.50x = 853,545,848.27
  5. Step 5: Solve for x
    x = 853,545,848.27/33,412.50
  6. Step 6: Final answer
    x = 25,545.70

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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.