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Finding the Fourth Proportional to 48,171.86, 66,495 and 36,269.72

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Solution

The fourth proportional to 48,171.86, 66,495 and 36,269.72 is: 50,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,171.86 : 66,495 = 36,269.72 : x
  2. Step 2: Convert to fraction form
    48,171.86/66,495 = 36,269.72/x
  3. Step 3: Cross multiply
    48,171.86x = 66,495 × 36,269.72
  4. Step 4: Simplify right side
    48,171.86x = 2,411,755,031.40
  5. Step 5: Solve for x
    x = 2,411,755,031.40/48,171.86
  6. Step 6: Final answer
    x = 50,065.64

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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.