Home / 30,344.95-41,876.03-16,915.91

Finding the Fourth Proportional to 30,344.95, 41,876.03 and 16,915.91

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Solution

The fourth proportional to 30,344.95, 41,876.03 and 16,915.91 is: 23,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.95 : 41,876.03 = 16,915.91 : x
  2. Step 2: Convert to fraction form
    30,344.95/41,876.03 = 16,915.91/x
  3. Step 3: Cross multiply
    30,344.95x = 41,876.03 × 16,915.91
  4. Step 4: Simplify right side
    30,344.95x = 708,371,223.10
  5. Step 5: Solve for x
    x = 708,371,223.10/30,344.95
  6. Step 6: Final answer
    x = 23,343.96

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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.