Home / 30,670.62-46,001.28-19,654.28

Finding the Fourth Proportional to 30,670.62, 46,001.28 and 19,654.28

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Solution

The fourth proportional to 30,670.62, 46,001.28 and 19,654.28 is: 29,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.62 : 46,001.28 = 19,654.28 : x
  2. Step 2: Convert to fraction form
    30,670.62/46,001.28 = 19,654.28/x
  3. Step 3: Cross multiply
    30,670.62x = 46,001.28 × 19,654.28
  4. Step 4: Simplify right side
    30,670.62x = 904,122,053.68
  5. Step 5: Solve for x
    x = 904,122,053.68/30,670.62
  6. Step 6: Final answer
    x = 29,478.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.