Home / 30,243.53-41,737.04-16,815.35

Finding the Fourth Proportional to 30,243.53, 41,737.04 and 16,815.35

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Solution

The fourth proportional to 30,243.53, 41,737.04 and 16,815.35 is: 23,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.53 : 41,737.04 = 16,815.35 : x
  2. Step 2: Convert to fraction form
    30,243.53/41,737.04 = 16,815.35/x
  3. Step 3: Cross multiply
    30,243.53x = 41,737.04 × 16,815.35
  4. Step 4: Simplify right side
    30,243.53x = 701,823,018.89
  5. Step 5: Solve for x
    x = 701,823,018.89/30,243.53
  6. Step 6: Final answer
    x = 23,205.72

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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.