Home / 30,688.72-45,997.24-14,029.52

Finding the Fourth Proportional to 30,688.72, 45,997.24 and 14,029.52

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Solution

The fourth proportional to 30,688.72, 45,997.24 and 14,029.52 is: 21,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.72 : 45,997.24 = 14,029.52 : x
  2. Step 2: Convert to fraction form
    30,688.72/45,997.24 = 14,029.52/x
  3. Step 3: Cross multiply
    30,688.72x = 45,997.24 × 14,029.52
  4. Step 4: Simplify right side
    30,688.72x = 645,319,198.52
  5. Step 5: Solve for x
    x = 645,319,198.52/30,688.72
  6. Step 6: Final answer
    x = 21,027.90

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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.