Home / 39,451.74-54,441.29-21,543.26

Finding the Fourth Proportional to 39,451.74, 54,441.29 and 21,543.26

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Solution

The fourth proportional to 39,451.74, 54,441.29 and 21,543.26 is: 29,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.74 : 54,441.29 = 21,543.26 : x
  2. Step 2: Convert to fraction form
    39,451.74/54,441.29 = 21,543.26/x
  3. Step 3: Cross multiply
    39,451.74x = 54,441.29 × 21,543.26
  4. Step 4: Simplify right side
    39,451.74x = 1,172,842,485.28
  5. Step 5: Solve for x
    x = 1,172,842,485.28/39,451.74
  6. Step 6: Final answer
    x = 29,728.54

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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.