Home / 36,159.26-49,904.76-21,819.83

Finding the Fourth Proportional to 36,159.26, 49,904.76 and 21,819.83

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Solution

The fourth proportional to 36,159.26, 49,904.76 and 21,819.83 is: 30,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159.26 : 49,904.76 = 21,819.83 : x
  2. Step 2: Convert to fraction form
    36,159.26/49,904.76 = 21,819.83/x
  3. Step 3: Cross multiply
    36,159.26x = 49,904.76 × 21,819.83
  4. Step 4: Simplify right side
    36,159.26x = 1,088,913,020.77
  5. Step 5: Solve for x
    x = 1,088,913,020.77/36,159.26
  6. Step 6: Final answer
    x = 30,114.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.