Home / 35,294.48-48,702.80-21,146.96

Finding the Fourth Proportional to 35,294.48, 48,702.80 and 21,146.96

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Solution

The fourth proportional to 35,294.48, 48,702.80 and 21,146.96 is: 29,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.48 : 48,702.80 = 21,146.96 : x
  2. Step 2: Convert to fraction form
    35,294.48/48,702.80 = 21,146.96/x
  3. Step 3: Cross multiply
    35,294.48x = 48,702.80 × 21,146.96
  4. Step 4: Simplify right side
    35,294.48x = 1,029,916,163.49
  5. Step 5: Solve for x
    x = 1,029,916,163.49/35,294.48
  6. Step 6: Final answer
    x = 29,180.66

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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.