Home / 30,874.48-42,596.22-19,540.96

Finding the Fourth Proportional to 30,874.48, 42,596.22 and 19,540.96

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Solution

The fourth proportional to 30,874.48, 42,596.22 and 19,540.96 is: 26,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874.48 : 42,596.22 = 19,540.96 : x
  2. Step 2: Convert to fraction form
    30,874.48/42,596.22 = 19,540.96/x
  3. Step 3: Cross multiply
    30,874.48x = 42,596.22 × 19,540.96
  4. Step 4: Simplify right side
    30,874.48x = 832,371,031.17
  5. Step 5: Solve for x
    x = 832,371,031.17/30,874.48
  6. Step 6: Final answer
    x = 26,959.84

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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.