Home / 31,919.28-44,048.64-17,772.12

Finding the Fourth Proportional to 31,919.28, 44,048.64 and 17,772.12

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Solution

The fourth proportional to 31,919.28, 44,048.64 and 17,772.12 is: 24,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.28 : 44,048.64 = 17,772.12 : x
  2. Step 2: Convert to fraction form
    31,919.28/44,048.64 = 17,772.12/x
  3. Step 3: Cross multiply
    31,919.28x = 44,048.64 × 17,772.12
  4. Step 4: Simplify right side
    31,919.28x = 782,837,715.92
  5. Step 5: Solve for x
    x = 782,837,715.92/31,919.28
  6. Step 6: Final answer
    x = 24,525.54

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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.