Home / 30,236.71-45,333.39-14,217.28

Finding the Fourth Proportional to 30,236.71, 45,333.39 and 14,217.28

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Solution

The fourth proportional to 30,236.71, 45,333.39 and 14,217.28 is: 21,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.71 : 45,333.39 = 14,217.28 : x
  2. Step 2: Convert to fraction form
    30,236.71/45,333.39 = 14,217.28/x
  3. Step 3: Cross multiply
    30,236.71x = 45,333.39 × 14,217.28
  4. Step 4: Simplify right side
    30,236.71x = 644,517,498.98
  5. Step 5: Solve for x
    x = 644,517,498.98/30,236.71
  6. Step 6: Final answer
    x = 21,315.73

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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.