Home / 23,005.62-31,761.32-21,677.02

Finding the Fourth Proportional to 23,005.62, 31,761.32 and 21,677.02

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Solution

The fourth proportional to 23,005.62, 31,761.32 and 21,677.02 is: 29,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005.62 : 31,761.32 = 21,677.02 : x
  2. Step 2: Convert to fraction form
    23,005.62/31,761.32 = 21,677.02/x
  3. Step 3: Cross multiply
    23,005.62x = 31,761.32 × 21,677.02
  4. Step 4: Simplify right side
    23,005.62x = 688,490,581.08
  5. Step 5: Solve for x
    x = 688,490,581.08/23,005.62
  6. Step 6: Final answer
    x = 29,927.06

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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.