Home / 31,505.38-43,477.62-17,358.32

Finding the Fourth Proportional to 31,505.38, 43,477.62 and 17,358.32

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Solution

The fourth proportional to 31,505.38, 43,477.62 and 17,358.32 is: 23,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.38 : 43,477.62 = 17,358.32 : x
  2. Step 2: Convert to fraction form
    31,505.38/43,477.62 = 17,358.32/x
  3. Step 3: Cross multiply
    31,505.38x = 43,477.62 × 17,358.32
  4. Step 4: Simplify right side
    31,505.38x = 754,698,440.80
  5. Step 5: Solve for x
    x = 754,698,440.80/31,505.38
  6. Step 6: Final answer
    x = 23,954.59

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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.