Home / 20,425.01-30,582.43-14,171.81

Finding the Fourth Proportional to 20,425.01, 30,582.43 and 14,171.81

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Solution

The fourth proportional to 20,425.01, 30,582.43 and 14,171.81 is: 21,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,425.01 : 30,582.43 = 14,171.81 : x
  2. Step 2: Convert to fraction form
    20,425.01/30,582.43 = 14,171.81/x
  3. Step 3: Cross multiply
    20,425.01x = 30,582.43 × 14,171.81
  4. Step 4: Simplify right side
    20,425.01x = 433,408,387.30
  5. Step 5: Solve for x
    x = 433,408,387.30/20,425.01
  6. Step 6: Final answer
    x = 21,219.49

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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.