Home / 84,736.12-127,104.91-21,556.30

Finding the Fourth Proportional to 84,736.12, 127,104.91 and 21,556.30

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Solution

The fourth proportional to 84,736.12, 127,104.91 and 21,556.30 is: 32,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.12 : 127,104.91 = 21,556.30 : x
  2. Step 2: Convert to fraction form
    84,736.12/127,104.91 = 21,556.30/x
  3. Step 3: Cross multiply
    84,736.12x = 127,104.91 × 21,556.30
  4. Step 4: Simplify right side
    84,736.12x = 2,739,911,463.65
  5. Step 5: Solve for x
    x = 2,739,911,463.65/84,736.12
  6. Step 6: Final answer
    x = 32,334.63

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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.