Home / 36,505.34-50,367.84-21,389.88

Finding the Fourth Proportional to 36,505.34, 50,367.84 and 21,389.88

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Solution

The fourth proportional to 36,505.34, 50,367.84 and 21,389.88 is: 29,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.34 : 50,367.84 = 21,389.88 : x
  2. Step 2: Convert to fraction form
    36,505.34/50,367.84 = 21,389.88/x
  3. Step 3: Cross multiply
    36,505.34x = 50,367.84 × 21,389.88
  4. Step 4: Simplify right side
    36,505.34x = 1,077,362,053.46
  5. Step 5: Solve for x
    x = 1,077,362,053.46/36,505.34
  6. Step 6: Final answer
    x = 29,512.45

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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.