Home / 30,288.68-45,367.32-14,673.56

Finding the Fourth Proportional to 30,288.68, 45,367.32 and 14,673.56

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Solution

The fourth proportional to 30,288.68, 45,367.32 and 14,673.56 is: 21,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.68 : 45,367.32 = 14,673.56 : x
  2. Step 2: Convert to fraction form
    30,288.68/45,367.32 = 14,673.56/x
  3. Step 3: Cross multiply
    30,288.68x = 45,367.32 × 14,673.56
  4. Step 4: Simplify right side
    30,288.68x = 665,700,092.06
  5. Step 5: Solve for x
    x = 665,700,092.06/30,288.68
  6. Step 6: Final answer
    x = 21,978.51

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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.