Home / 58,629.10-87,891.45-21,181

Finding the Fourth Proportional to 58,629.10, 87,891.45 and 21,181

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Solution

The fourth proportional to 58,629.10, 87,891.45 and 21,181 is: 31,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,629.10 : 87,891.45 = 21,181 : x
  2. Step 2: Convert to fraction form
    58,629.10/87,891.45 = 21,181/x
  3. Step 3: Cross multiply
    58,629.10x = 87,891.45 × 21,181
  4. Step 4: Simplify right side
    58,629.10x = 1,861,628,802.45
  5. Step 5: Solve for x
    x = 1,861,628,802.45/58,629.10
  6. Step 6: Final answer
    x = 31,752.64

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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.