Home / 77,508.28-116,263.05-21,351.49

Finding the Fourth Proportional to 77,508.28, 116,263.05 and 21,351.49

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Solution

The fourth proportional to 77,508.28, 116,263.05 and 21,351.49 is: 32,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,508.28 : 116,263.05 = 21,351.49 : x
  2. Step 2: Convert to fraction form
    77,508.28/116,263.05 = 21,351.49/x
  3. Step 3: Cross multiply
    77,508.28x = 116,263.05 × 21,351.49
  4. Step 4: Simplify right side
    77,508.28x = 2,482,389,138.85
  5. Step 5: Solve for x
    x = 2,482,389,138.85/77,508.28
  6. Step 6: Final answer
    x = 32,027.41

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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.