Home / 20,029.76-30,073.84-14,217.20

Finding the Fourth Proportional to 20,029.76, 30,073.84 and 14,217.20

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Solution

The fourth proportional to 20,029.76, 30,073.84 and 14,217.20 is: 21,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.76 : 30,073.84 = 14,217.20 : x
  2. Step 2: Convert to fraction form
    20,029.76/30,073.84 = 14,217.20/x
  3. Step 3: Cross multiply
    20,029.76x = 30,073.84 × 14,217.20
  4. Step 4: Simplify right side
    20,029.76x = 427,565,798.05
  5. Step 5: Solve for x
    x = 427,565,798.05/20,029.76
  6. Step 6: Final answer
    x = 21,346.53

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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.