Home / 30,429.04-41,989.62-16,999.24

Finding the Fourth Proportional to 30,429.04, 41,989.62 and 16,999.24

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Solution

The fourth proportional to 30,429.04, 41,989.62 and 16,999.24 is: 23,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.04 : 41,989.62 = 16,999.24 : x
  2. Step 2: Convert to fraction form
    30,429.04/41,989.62 = 16,999.24/x
  3. Step 3: Cross multiply
    30,429.04x = 41,989.62 × 16,999.24
  4. Step 4: Simplify right side
    30,429.04x = 713,791,627.89
  5. Step 5: Solve for x
    x = 713,791,627.89/30,429.04
  6. Step 6: Final answer
    x = 23,457.58

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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.