Home / 31,664.64-47,459.82-17,618.01

Finding the Fourth Proportional to 31,664.64, 47,459.82 and 17,618.01

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Solution

The fourth proportional to 31,664.64, 47,459.82 and 17,618.01 is: 26,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.64 : 47,459.82 = 17,618.01 : x
  2. Step 2: Convert to fraction form
    31,664.64/47,459.82 = 17,618.01/x
  3. Step 3: Cross multiply
    31,664.64x = 47,459.82 × 17,618.01
  4. Step 4: Simplify right side
    31,664.64x = 836,147,583.36
  5. Step 5: Solve for x
    x = 836,147,583.36/31,664.64
  6. Step 6: Final answer
    x = 26,406.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.