Home / 36,586.81-50,490.78-20,670.91

Finding the Fourth Proportional to 36,586.81, 50,490.78 and 20,670.91

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Solution

The fourth proportional to 36,586.81, 50,490.78 and 20,670.91 is: 28,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,586.81 : 50,490.78 = 20,670.91 : x
  2. Step 2: Convert to fraction form
    36,586.81/50,490.78 = 20,670.91/x
  3. Step 3: Cross multiply
    36,586.81x = 50,490.78 × 20,670.91
  4. Step 4: Simplify right side
    36,586.81x = 1,043,690,449.48
  5. Step 5: Solve for x
    x = 1,043,690,449.48/36,586.81
  6. Step 6: Final answer
    x = 28,526.42

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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.