Home / 36,801.18-50,781.06-21,690.36

Finding the Fourth Proportional to 36,801.18, 50,781.06 and 21,690.36

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Solution

The fourth proportional to 36,801.18, 50,781.06 and 21,690.36 is: 29,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,801.18 : 50,781.06 = 21,690.36 : x
  2. Step 2: Convert to fraction form
    36,801.18/50,781.06 = 21,690.36/x
  3. Step 3: Cross multiply
    36,801.18x = 50,781.06 × 21,690.36
  4. Step 4: Simplify right side
    36,801.18x = 1,101,459,472.58
  5. Step 5: Solve for x
    x = 1,101,459,472.58/36,801.18
  6. Step 6: Final answer
    x = 29,930.00

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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.