Home / 38,389.11-52,967.70-21,622.11

Finding the Fourth Proportional to 38,389.11, 52,967.70 and 21,622.11

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Solution

The fourth proportional to 38,389.11, 52,967.70 and 21,622.11 is: 29,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.11 : 52,967.70 = 21,622.11 : x
  2. Step 2: Convert to fraction form
    38,389.11/52,967.70 = 21,622.11/x
  3. Step 3: Cross multiply
    38,389.11x = 52,967.70 × 21,622.11
  4. Step 4: Simplify right side
    38,389.11x = 1,145,273,435.85
  5. Step 5: Solve for x
    x = 1,145,273,435.85/38,389.11
  6. Step 6: Final answer
    x = 29,833.29

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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.