Home / 36,012.23-53,981.44-13,819.65

Finding the Fourth Proportional to 36,012.23, 53,981.44 and 13,819.65

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Solution

The fourth proportional to 36,012.23, 53,981.44 and 13,819.65 is: 20,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.23 : 53,981.44 = 13,819.65 : x
  2. Step 2: Convert to fraction form
    36,012.23/53,981.44 = 13,819.65/x
  3. Step 3: Cross multiply
    36,012.23x = 53,981.44 × 13,819.65
  4. Step 4: Simplify right side
    36,012.23x = 746,004,370.32
  5. Step 5: Solve for x
    x = 746,004,370.32/36,012.23
  6. Step 6: Final answer
    x = 20,715.31

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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.