Home / 83,370.42-125,055.68-21,040.92

Finding the Fourth Proportional to 83,370.42, 125,055.68 and 21,040.92

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Solution

The fourth proportional to 83,370.42, 125,055.68 and 21,040.92 is: 31,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,370.42 : 125,055.68 = 21,040.92 : x
  2. Step 2: Convert to fraction form
    83,370.42/125,055.68 = 21,040.92/x
  3. Step 3: Cross multiply
    83,370.42x = 125,055.68 × 21,040.92
  4. Step 4: Simplify right side
    83,370.42x = 2,631,286,453.22
  5. Step 5: Solve for x
    x = 2,631,286,453.22/83,370.42
  6. Step 6: Final answer
    x = 31,561.39

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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.