Home / 73,018.20-109,505.40-37,938.72

Finding the Fourth Proportional to 73,018.20, 109,505.40 and 37,938.72

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Solution

The fourth proportional to 73,018.20, 109,505.40 and 37,938.72 is: 56,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.20 : 109,505.40 = 37,938.72 : x
  2. Step 2: Convert to fraction form
    73,018.20/109,505.40 = 37,938.72/x
  3. Step 3: Cross multiply
    73,018.20x = 109,505.40 × 37,938.72
  4. Step 4: Simplify right side
    73,018.20x = 4,154,494,709.09
  5. Step 5: Solve for x
    x = 4,154,494,709.09/73,018.20
  6. Step 6: Final answer
    x = 56,896.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.