Home / 33,921.86-46,812.33-18,813.47

Finding the Fourth Proportional to 33,921.86, 46,812.33 and 18,813.47

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Solution

The fourth proportional to 33,921.86, 46,812.33 and 18,813.47 is: 25,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,921.86 : 46,812.33 = 18,813.47 : x
  2. Step 2: Convert to fraction form
    33,921.86/46,812.33 = 18,813.47/x
  3. Step 3: Cross multiply
    33,921.86x = 46,812.33 × 18,813.47
  4. Step 4: Simplify right side
    33,921.86x = 880,702,132.02
  5. Step 5: Solve for x
    x = 880,702,132.02/33,921.86
  6. Step 6: Final answer
    x = 25,962.68

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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.