Home / 29,878.40-41,230.53-16,447.47

Finding the Fourth Proportional to 29,878.40, 41,230.53 and 16,447.47

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Solution

The fourth proportional to 29,878.40, 41,230.53 and 16,447.47 is: 22,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.40 : 41,230.53 = 16,447.47 : x
  2. Step 2: Convert to fraction form
    29,878.40/41,230.53 = 16,447.47/x
  3. Step 3: Cross multiply
    29,878.40x = 41,230.53 × 16,447.47
  4. Step 4: Simplify right side
    29,878.40x = 678,137,905.26
  5. Step 5: Solve for x
    x = 678,137,905.26/29,878.40
  6. Step 6: Final answer
    x = 22,696.60

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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.