Home / 51,605.40-71,222.04-30,386.64

Finding the Fourth Proportional to 51,605.40, 71,222.04 and 30,386.64

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Solution

The fourth proportional to 51,605.40, 71,222.04 and 30,386.64 is: 41,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,605.40 : 71,222.04 = 30,386.64 : x
  2. Step 2: Convert to fraction form
    51,605.40/71,222.04 = 30,386.64/x
  3. Step 3: Cross multiply
    51,605.40x = 71,222.04 × 30,386.64
  4. Step 4: Simplify right side
    51,605.40x = 2,164,198,489.55
  5. Step 5: Solve for x
    x = 2,164,198,489.55/51,605.40
  6. Step 6: Final answer
    x = 41,937.44

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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.