Home / 29,649.12-40,915.17-16,220.34

Finding the Fourth Proportional to 29,649.12, 40,915.17 and 16,220.34

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Solution

The fourth proportional to 29,649.12, 40,915.17 and 16,220.34 is: 22,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.12 : 40,915.17 = 16,220.34 : x
  2. Step 2: Convert to fraction form
    29,649.12/40,915.17 = 16,220.34/x
  3. Step 3: Cross multiply
    29,649.12x = 40,915.17 × 16,220.34
  4. Step 4: Simplify right side
    29,649.12x = 663,657,968.56
  5. Step 5: Solve for x
    x = 663,657,968.56/29,649.12
  6. Step 6: Final answer
    x = 22,383.73

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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.