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Finding the Fourth Proportional to 41,800.80, 62,702.16 and 10,636.32

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Solution

The fourth proportional to 41,800.80, 62,702.16 and 10,636.32 is: 15,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,800.80 : 62,702.16 = 10,636.32 : x
  2. Step 2: Convert to fraction form
    41,800.80/62,702.16 = 10,636.32/x
  3. Step 3: Cross multiply
    41,800.80x = 62,702.16 × 10,636.32
  4. Step 4: Simplify right side
    41,800.80x = 666,920,238.45
  5. Step 5: Solve for x
    x = 666,920,238.45/41,800.80
  6. Step 6: Final answer
    x = 15,954.72

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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.