Home / 77,505.36-116,260.20-21,346.24

Finding the Fourth Proportional to 77,505.36, 116,260.20 and 21,346.24

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Solution

The fourth proportional to 77,505.36, 116,260.20 and 21,346.24 is: 32,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,505.36 : 116,260.20 = 21,346.24 : x
  2. Step 2: Convert to fraction form
    77,505.36/116,260.20 = 21,346.24/x
  3. Step 3: Cross multiply
    77,505.36x = 116,260.20 × 21,346.24
  4. Step 4: Simplify right side
    77,505.36x = 2,481,718,131.65
  5. Step 5: Solve for x
    x = 2,481,718,131.65/77,505.36
  6. Step 6: Final answer
    x = 32,019.95

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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.