Home / 30,076.81-41,504.93-16,648.09

Finding the Fourth Proportional to 30,076.81, 41,504.93 and 16,648.09

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Solution

The fourth proportional to 30,076.81, 41,504.93 and 16,648.09 is: 22,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.81 : 41,504.93 = 16,648.09 : x
  2. Step 2: Convert to fraction form
    30,076.81/41,504.93 = 16,648.09/x
  3. Step 3: Cross multiply
    30,076.81x = 41,504.93 × 16,648.09
  4. Step 4: Simplify right side
    30,076.81x = 690,977,644.18
  5. Step 5: Solve for x
    x = 690,977,644.18/30,076.81
  6. Step 6: Final answer
    x = 22,973.77

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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.