Home / 30,344.27-41,875.25-16,915.55

Finding the Fourth Proportional to 30,344.27, 41,875.25 and 16,915.55

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Solution

The fourth proportional to 30,344.27, 41,875.25 and 16,915.55 is: 23,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.27 : 41,875.25 = 16,915.55 : x
  2. Step 2: Convert to fraction form
    30,344.27/41,875.25 = 16,915.55/x
  3. Step 3: Cross multiply
    30,344.27x = 41,875.25 × 16,915.55
  4. Step 4: Simplify right side
    30,344.27x = 708,342,591.18
  5. Step 5: Solve for x
    x = 708,342,591.18/30,344.27
  6. Step 6: Final answer
    x = 23,343.54

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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.