Home / 30,373.63-41,915.34-16,761.80

Finding the Fourth Proportional to 30,373.63, 41,915.34 and 16,761.80

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Solution

The fourth proportional to 30,373.63, 41,915.34 and 16,761.80 is: 23,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.63 : 41,915.34 = 16,761.80 : x
  2. Step 2: Convert to fraction form
    30,373.63/41,915.34 = 16,761.80/x
  3. Step 3: Cross multiply
    30,373.63x = 41,915.34 × 16,761.80
  4. Step 4: Simplify right side
    30,373.63x = 702,576,650.80
  5. Step 5: Solve for x
    x = 702,576,650.80/30,373.63
  6. Step 6: Final answer
    x = 23,131.14

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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.