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Finding the Fourth Proportional to 34,209.40, 51,270.90 and 16,641.40

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Solution

The fourth proportional to 34,209.40, 51,270.90 and 16,641.40 is: 24,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,209.40 : 51,270.90 = 16,641.40 : x
  2. Step 2: Convert to fraction form
    34,209.40/51,270.90 = 16,641.40/x
  3. Step 3: Cross multiply
    34,209.40x = 51,270.90 × 16,641.40
  4. Step 4: Simplify right side
    34,209.40x = 853,219,555.26
  5. Step 5: Solve for x
    x = 853,219,555.26/34,209.40
  6. Step 6: Final answer
    x = 24,941.09

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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.