Home / 37,318.10-55,977-15,131.43

Finding the Fourth Proportional to 37,318.10, 55,977 and 15,131.43

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Solution

The fourth proportional to 37,318.10, 55,977 and 15,131.43 is: 22,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,318.10 : 55,977 = 15,131.43 : x
  2. Step 2: Convert to fraction form
    37,318.10/55,977 = 15,131.43/x
  3. Step 3: Cross multiply
    37,318.10x = 55,977 × 15,131.43
  4. Step 4: Simplify right side
    37,318.10x = 847,012,057.11
  5. Step 5: Solve for x
    x = 847,012,057.11/37,318.10
  6. Step 6: Final answer
    x = 22,697.09

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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.