Home / 20,411.24-30,619.50-14,074.34

Finding the Fourth Proportional to 20,411.24, 30,619.50 and 14,074.34

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Solution

The fourth proportional to 20,411.24, 30,619.50 and 14,074.34 is: 21,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411.24 : 30,619.50 = 14,074.34 : x
  2. Step 2: Convert to fraction form
    20,411.24/30,619.50 = 14,074.34/x
  3. Step 3: Cross multiply
    20,411.24x = 30,619.50 × 14,074.34
  4. Step 4: Simplify right side
    20,411.24x = 430,949,253.63
  5. Step 5: Solve for x
    x = 430,949,253.63/20,411.24
  6. Step 6: Final answer
    x = 21,113.33

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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.