Home / 36,490.60-50,357.58-21,379.64

Finding the Fourth Proportional to 36,490.60, 50,357.58 and 21,379.64

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Solution

The fourth proportional to 36,490.60, 50,357.58 and 21,379.64 is: 29,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.60 : 50,357.58 = 21,379.64 : x
  2. Step 2: Convert to fraction form
    36,490.60/50,357.58 = 21,379.64/x
  3. Step 3: Cross multiply
    36,490.60x = 50,357.58 × 21,379.64
  4. Step 4: Simplify right side
    36,490.60x = 1,076,626,931.67
  5. Step 5: Solve for x
    x = 1,076,626,931.67/36,490.60
  6. Step 6: Final answer
    x = 29,504.23

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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.