Home / 77,635.57-116,446.85-21,476.37

Finding the Fourth Proportional to 77,635.57, 116,446.85 and 21,476.37

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Solution

The fourth proportional to 77,635.57, 116,446.85 and 21,476.37 is: 32,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,635.57 : 116,446.85 = 21,476.37 : x
  2. Step 2: Convert to fraction form
    77,635.57/116,446.85 = 21,476.37/x
  3. Step 3: Cross multiply
    77,635.57x = 116,446.85 × 21,476.37
  4. Step 4: Simplify right side
    77,635.57x = 2,500,855,635.93
  5. Step 5: Solve for x
    x = 2,500,855,635.93/77,635.57
  6. Step 6: Final answer
    x = 32,212.76

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1.5x scale

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.