Home / 37,318.50-51,499.89-20,551.86

Finding the Fourth Proportional to 37,318.50, 51,499.89 and 20,551.86

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Solution

The fourth proportional to 37,318.50, 51,499.89 and 20,551.86 is: 28,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,318.50 : 51,499.89 = 20,551.86 : x
  2. Step 2: Convert to fraction form
    37,318.50/51,499.89 = 20,551.86/x
  3. Step 3: Cross multiply
    37,318.50x = 51,499.89 × 20,551.86
  4. Step 4: Simplify right side
    37,318.50x = 1,058,418,529.30
  5. Step 5: Solve for x
    x = 1,058,418,529.30/37,318.50
  6. Step 6: Final answer
    x = 28,361.77

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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.