Home / 39,131.08-53,999.94-22,363.08

Finding the Fourth Proportional to 39,131.08, 53,999.94 and 22,363.08

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Solution

The fourth proportional to 39,131.08, 53,999.94 and 22,363.08 is: 30,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.08 : 53,999.94 = 22,363.08 : x
  2. Step 2: Convert to fraction form
    39,131.08/53,999.94 = 22,363.08/x
  3. Step 3: Cross multiply
    39,131.08x = 53,999.94 × 22,363.08
  4. Step 4: Simplify right side
    39,131.08x = 1,207,604,978.22
  5. Step 5: Solve for x
    x = 1,207,604,978.22/39,131.08
  6. Step 6: Final answer
    x = 30,860.51

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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.