Home / 30,429.90-41,995.24-17,001.23

Finding the Fourth Proportional to 30,429.90, 41,995.24 and 17,001.23

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Solution

The fourth proportional to 30,429.90, 41,995.24 and 17,001.23 is: 23,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.90 : 41,995.24 = 17,001.23 : x
  2. Step 2: Convert to fraction form
    30,429.90/41,995.24 = 17,001.23/x
  3. Step 3: Cross multiply
    30,429.90x = 41,995.24 × 17,001.23
  4. Step 4: Simplify right side
    30,429.90x = 713,970,839.13
  5. Step 5: Solve for x
    x = 713,970,839.13/30,429.90
  6. Step 6: Final answer
    x = 23,462.80

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1.5x scale

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.