Home / 36,119.34-49,834.68-20,805.28

Finding the Fourth Proportional to 36,119.34, 49,834.68 and 20,805.28

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Solution

The fourth proportional to 36,119.34, 49,834.68 and 20,805.28 is: 28,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,119.34 : 49,834.68 = 20,805.28 : x
  2. Step 2: Convert to fraction form
    36,119.34/49,834.68 = 20,805.28/x
  3. Step 3: Cross multiply
    36,119.34x = 49,834.68 × 20,805.28
  4. Step 4: Simplify right side
    36,119.34x = 1,036,824,471.11
  5. Step 5: Solve for x
    x = 1,036,824,471.11/36,119.34
  6. Step 6: Final answer
    x = 28,705.52

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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.