Home / 51,166.17-76,724.60-21,567.87

Finding the Fourth Proportional to 51,166.17, 76,724.60 and 21,567.87

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Solution

The fourth proportional to 51,166.17, 76,724.60 and 21,567.87 is: 32,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,166.17 : 76,724.60 = 21,567.87 : x
  2. Step 2: Convert to fraction form
    51,166.17/76,724.60 = 21,567.87/x
  3. Step 3: Cross multiply
    51,166.17x = 76,724.60 × 21,567.87
  4. Step 4: Simplify right side
    51,166.17x = 1,654,786,090.76
  5. Step 5: Solve for x
    x = 1,654,786,090.76/51,166.17
  6. Step 6: Final answer
    x = 32,341.41

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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.