Home / 31,602.78-43,610.94-17,455.32

Finding the Fourth Proportional to 31,602.78, 43,610.94 and 17,455.32

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Solution

The fourth proportional to 31,602.78, 43,610.94 and 17,455.32 is: 24,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,602.78 : 43,610.94 = 17,455.32 : x
  2. Step 2: Convert to fraction form
    31,602.78/43,610.94 = 17,455.32/x
  3. Step 3: Cross multiply
    31,602.78x = 43,610.94 × 17,455.32
  4. Step 4: Simplify right side
    31,602.78x = 761,242,913.20
  5. Step 5: Solve for x
    x = 761,242,913.20/31,602.78
  6. Step 6: Final answer
    x = 24,087.85

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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.