Home / 29,493.46-40,696.38-16,915.78

Finding the Fourth Proportional to 29,493.46, 40,696.38 and 16,915.78

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Solution

The fourth proportional to 29,493.46, 40,696.38 and 16,915.78 is: 23,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.46 : 40,696.38 = 16,915.78 : x
  2. Step 2: Convert to fraction form
    29,493.46/40,696.38 = 16,915.78/x
  3. Step 3: Cross multiply
    29,493.46x = 40,696.38 × 16,915.78
  4. Step 4: Simplify right side
    29,493.46x = 688,411,010.88
  5. Step 5: Solve for x
    x = 688,411,010.88/29,493.46
  6. Step 6: Final answer
    x = 23,341.14

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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.