Home / 29,490.86-40,696.98-16,915.34

Finding the Fourth Proportional to 29,490.86, 40,696.98 and 16,915.34

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Solution

The fourth proportional to 29,490.86, 40,696.98 and 16,915.34 is: 23,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.86 : 40,696.98 = 16,915.34 : x
  2. Step 2: Convert to fraction form
    29,490.86/40,696.98 = 16,915.34/x
  3. Step 3: Cross multiply
    29,490.86x = 40,696.98 × 16,915.34
  4. Step 4: Simplify right side
    29,490.86x = 688,403,253.67
  5. Step 5: Solve for x
    x = 688,403,253.67/29,490.86
  6. Step 6: Final answer
    x = 23,342.94

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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.