Home / 55,087.24-82,636.32-17,637.90

Finding the Fourth Proportional to 55,087.24, 82,636.32 and 17,637.90

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Solution

The fourth proportional to 55,087.24, 82,636.32 and 17,637.90 is: 26,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.24 : 82,636.32 = 17,637.90 : x
  2. Step 2: Convert to fraction form
    55,087.24/82,636.32 = 17,637.90/x
  3. Step 3: Cross multiply
    55,087.24x = 82,636.32 × 17,637.90
  4. Step 4: Simplify right side
    55,087.24x = 1,457,531,148.53
  5. Step 5: Solve for x
    x = 1,457,531,148.53/55,087.24
  6. Step 6: Final answer
    x = 26,458.60

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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.