Home / 34,372.50-47,426.85-20,226.90

Finding the Fourth Proportional to 34,372.50, 47,426.85 and 20,226.90

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Solution

The fourth proportional to 34,372.50, 47,426.85 and 20,226.90 is: 27,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,372.50 : 47,426.85 = 20,226.90 : x
  2. Step 2: Convert to fraction form
    34,372.50/47,426.85 = 20,226.90/x
  3. Step 3: Cross multiply
    34,372.50x = 47,426.85 × 20,226.90
  4. Step 4: Simplify right side
    34,372.50x = 959,298,152.27
  5. Step 5: Solve for x
    x = 959,298,152.27/34,372.50
  6. Step 6: Final answer
    x = 27,908.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.