Home / 83,571.39-125,357.36-21,241.89

Finding the Fourth Proportional to 83,571.39, 125,357.36 and 21,241.89

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Solution

The fourth proportional to 83,571.39, 125,357.36 and 21,241.89 is: 31,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,571.39 : 125,357.36 = 21,241.89 : x
  2. Step 2: Convert to fraction form
    83,571.39/125,357.36 = 21,241.89/x
  3. Step 3: Cross multiply
    83,571.39x = 125,357.36 × 21,241.89
  4. Step 4: Simplify right side
    83,571.39x = 2,662,827,775.01
  5. Step 5: Solve for x
    x = 2,662,827,775.01/83,571.39
  6. Step 6: Final answer
    x = 31,862.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.