Home / 22,124.40-33,186.60-20,434.80

Finding the Fourth Proportional to 22,124.40, 33,186.60 and 20,434.80

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Solution

The fourth proportional to 22,124.40, 33,186.60 and 20,434.80 is: 30,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.40 : 33,186.60 = 20,434.80 : x
  2. Step 2: Convert to fraction form
    22,124.40/33,186.60 = 20,434.80/x
  3. Step 3: Cross multiply
    22,124.40x = 33,186.60 × 20,434.80
  4. Step 4: Simplify right side
    22,124.40x = 678,161,533.68
  5. Step 5: Solve for x
    x = 678,161,533.68/22,124.40
  6. Step 6: Final answer
    x = 30,652.20

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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.