Home / 83,571.77-125,357.93-21,242.27

Finding the Fourth Proportional to 83,571.77, 125,357.93 and 21,242.27

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Solution

The fourth proportional to 83,571.77, 125,357.93 and 21,242.27 is: 31,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,571.77 : 125,357.93 = 21,242.27 : x
  2. Step 2: Convert to fraction form
    83,571.77/125,357.93 = 21,242.27/x
  3. Step 3: Cross multiply
    83,571.77x = 125,357.93 × 21,242.27
  4. Step 4: Simplify right side
    83,571.77x = 2,662,886,889.49
  5. Step 5: Solve for x
    x = 2,662,886,889.49/83,571.77
  6. Step 6: Final answer
    x = 31,863.47

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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.