Home / 31,935.36-44,071.09-20,005.68

Finding the Fourth Proportional to 31,935.36, 44,071.09 and 20,005.68

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Solution

The fourth proportional to 31,935.36, 44,071.09 and 20,005.68 is: 27,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.36 : 44,071.09 = 20,005.68 : x
  2. Step 2: Convert to fraction form
    31,935.36/44,071.09 = 20,005.68/x
  3. Step 3: Cross multiply
    31,935.36x = 44,071.09 × 20,005.68
  4. Step 4: Simplify right side
    31,935.36x = 881,672,239.04
  5. Step 5: Solve for x
    x = 881,672,239.04/31,935.36
  6. Step 6: Final answer
    x = 27,608.02

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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.