Home / 20,251.55-30,325.39-14,002.94

Finding the Fourth Proportional to 20,251.55, 30,325.39 and 14,002.94

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Solution

The fourth proportional to 20,251.55, 30,325.39 and 14,002.94 is: 20,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.55 : 30,325.39 = 14,002.94 : x
  2. Step 2: Convert to fraction form
    20,251.55/30,325.39 = 14,002.94/x
  3. Step 3: Cross multiply
    20,251.55x = 30,325.39 × 14,002.94
  4. Step 4: Simplify right side
    20,251.55x = 424,644,657.45
  5. Step 5: Solve for x
    x = 424,644,657.45/20,251.55
  6. Step 6: Final answer
    x = 20,968.50

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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.