Home / 35,293.98-48,702.10-21,146.46

Finding the Fourth Proportional to 35,293.98, 48,702.10 and 21,146.46

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Solution

The fourth proportional to 35,293.98, 48,702.10 and 21,146.46 is: 29,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,293.98 : 48,702.10 = 21,146.46 : x
  2. Step 2: Convert to fraction form
    35,293.98/48,702.10 = 21,146.46/x
  3. Step 3: Cross multiply
    35,293.98x = 48,702.10 × 21,146.46
  4. Step 4: Simplify right side
    35,293.98x = 1,029,877,009.57
  5. Step 5: Solve for x
    x = 1,029,877,009.57/35,293.98
  6. Step 6: Final answer
    x = 29,179.96

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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.