Home / 51,891.81-71,616.14-31,762.09

Finding the Fourth Proportional to 51,891.81, 71,616.14 and 31,762.09

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Solution

The fourth proportional to 51,891.81, 71,616.14 and 31,762.09 is: 43,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,891.81 : 71,616.14 = 31,762.09 : x
  2. Step 2: Convert to fraction form
    51,891.81/71,616.14 = 31,762.09/x
  3. Step 3: Cross multiply
    51,891.81x = 71,616.14 × 31,762.09
  4. Step 4: Simplify right side
    51,891.81x = 2,274,678,284.13
  5. Step 5: Solve for x
    x = 2,274,678,284.13/51,891.81
  6. Step 6: Final answer
    x = 43,835.02

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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.