Home / 30,732.48-46,090.28-19,470.91

Finding the Fourth Proportional to 30,732.48, 46,090.28 and 19,470.91

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Solution

The fourth proportional to 30,732.48, 46,090.28 and 19,470.91 is: 29,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.48 : 46,090.28 = 19,470.91 : x
  2. Step 2: Convert to fraction form
    30,732.48/46,090.28 = 19,470.91/x
  3. Step 3: Cross multiply
    30,732.48x = 46,090.28 × 19,470.91
  4. Step 4: Simplify right side
    30,732.48x = 897,419,596.40
  5. Step 5: Solve for x
    x = 897,419,596.40/30,732.48
  6. Step 6: Final answer
    x = 29,201.02

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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.