Home / 51,665.76-71,283.04-30,437.28

Finding the Fourth Proportional to 51,665.76, 71,283.04 and 30,437.28

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Solution

The fourth proportional to 51,665.76, 71,283.04 and 30,437.28 is: 41,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665.76 : 71,283.04 = 30,437.28 : x
  2. Step 2: Convert to fraction form
    51,665.76/71,283.04 = 30,437.28/x
  3. Step 3: Cross multiply
    51,665.76x = 71,283.04 × 30,437.28
  4. Step 4: Simplify right side
    51,665.76x = 2,169,661,847.73
  5. Step 5: Solve for x
    x = 2,169,661,847.73/51,665.76
  6. Step 6: Final answer
    x = 41,994.19

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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.