Home / 55,665.14-76,819.65-30,516.98

Finding the Fourth Proportional to 55,665.14, 76,819.65 and 30,516.98

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Solution

The fourth proportional to 55,665.14, 76,819.65 and 30,516.98 is: 42,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.14 : 76,819.65 = 30,516.98 : x
  2. Step 2: Convert to fraction form
    55,665.14/76,819.65 = 30,516.98/x
  3. Step 3: Cross multiply
    55,665.14x = 76,819.65 × 30,516.98
  4. Step 4: Simplify right side
    55,665.14x = 2,344,303,722.66
  5. Step 5: Solve for x
    x = 2,344,303,722.66/55,665.14
  6. Step 6: Final answer
    x = 42,114.40

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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.