Home / 83,588.22-125,379.09-21,260.34

Finding the Fourth Proportional to 83,588.22, 125,379.09 and 21,260.34

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Solution

The fourth proportional to 83,588.22, 125,379.09 and 21,260.34 is: 31,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,588.22 : 125,379.09 = 21,260.34 : x
  2. Step 2: Convert to fraction form
    83,588.22/125,379.09 = 21,260.34/x
  3. Step 3: Cross multiply
    83,588.22x = 125,379.09 × 21,260.34
  4. Step 4: Simplify right side
    83,588.22x = 2,665,602,082.29
  5. Step 5: Solve for x
    x = 2,665,602,082.29/83,588.22
  6. Step 6: Final answer
    x = 31,889.69

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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.