Home / 36,930.87-50,964.66-21,015.45

Finding the Fourth Proportional to 36,930.87, 50,964.66 and 21,015.45

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Solution

The fourth proportional to 36,930.87, 50,964.66 and 21,015.45 is: 29,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.87 : 50,964.66 = 21,015.45 : x
  2. Step 2: Convert to fraction form
    36,930.87/50,964.66 = 21,015.45/x
  3. Step 3: Cross multiply
    36,930.87x = 50,964.66 × 21,015.45
  4. Step 4: Simplify right side
    36,930.87x = 1,071,045,264.00
  5. Step 5: Solve for x
    x = 1,071,045,264.00/36,930.87
  6. Step 6: Final answer
    x = 29,001.35

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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.