Home / 31,505.49-43,477.10-18,076.44

Finding the Fourth Proportional to 31,505.49, 43,477.10 and 18,076.44

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Solution

The fourth proportional to 31,505.49, 43,477.10 and 18,076.44 is: 24,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.49 : 43,477.10 = 18,076.44 : x
  2. Step 2: Convert to fraction form
    31,505.49/43,477.10 = 18,076.44/x
  3. Step 3: Cross multiply
    31,505.49x = 43,477.10 × 18,076.44
  4. Step 4: Simplify right side
    31,505.49x = 785,911,189.52
  5. Step 5: Solve for x
    x = 785,911,189.52/31,505.49
  6. Step 6: Final answer
    x = 24,945.21

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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.