Home / 31,535.10-47,249.12-19,028.85

Finding the Fourth Proportional to 31,535.10, 47,249.12 and 19,028.85

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Solution

The fourth proportional to 31,535.10, 47,249.12 and 19,028.85 is: 28,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.10 : 47,249.12 = 19,028.85 : x
  2. Step 2: Convert to fraction form
    31,535.10/47,249.12 = 19,028.85/x
  3. Step 3: Cross multiply
    31,535.10x = 47,249.12 × 19,028.85
  4. Step 4: Simplify right side
    31,535.10x = 899,096,287.50
  5. Step 5: Solve for x
    x = 899,096,287.50/31,535.10
  6. Step 6: Final answer
    x = 28,510.97

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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.