Home / 37,215.12-55,821.92-10,919.28

Finding the Fourth Proportional to 37,215.12, 55,821.92 and 10,919.28

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Solution

The fourth proportional to 37,215.12, 55,821.92 and 10,919.28 is: 16,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.12 : 55,821.92 = 10,919.28 : x
  2. Step 2: Convert to fraction form
    37,215.12/55,821.92 = 10,919.28/x
  3. Step 3: Cross multiply
    37,215.12x = 55,821.92 × 10,919.28
  4. Step 4: Simplify right side
    37,215.12x = 609,535,174.62
  5. Step 5: Solve for x
    x = 609,535,174.62/37,215.12
  6. Step 6: Final answer
    x = 16,378.70

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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.