Home / 33,888.86-46,765.98-18,781.50

Finding the Fourth Proportional to 33,888.86, 46,765.98 and 18,781.50

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Solution

The fourth proportional to 33,888.86, 46,765.98 and 18,781.50 is: 25,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,888.86 : 46,765.98 = 18,781.50 : x
  2. Step 2: Convert to fraction form
    33,888.86/46,765.98 = 18,781.50/x
  3. Step 3: Cross multiply
    33,888.86x = 46,765.98 × 18,781.50
  4. Step 4: Simplify right side
    33,888.86x = 878,335,253.37
  5. Step 5: Solve for x
    x = 878,335,253.37/33,888.86
  6. Step 6: Final answer
    x = 25,918.11

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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.