Home / 36,490.85-50,362.25-21,389.48

Finding the Fourth Proportional to 36,490.85, 50,362.25 and 21,389.48

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Solution

The fourth proportional to 36,490.85, 50,362.25 and 21,389.48 is: 29,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.85 : 50,362.25 = 21,389.48 : x
  2. Step 2: Convert to fraction form
    36,490.85/50,362.25 = 21,389.48/x
  3. Step 3: Cross multiply
    36,490.85x = 50,362.25 × 21,389.48
  4. Step 4: Simplify right side
    36,490.85x = 1,077,221,980.37
  5. Step 5: Solve for x
    x = 1,077,221,980.37/36,490.85
  6. Step 6: Final answer
    x = 29,520.34

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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.