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Finding the Fourth Proportional to 61,464.45, 92,179.80 and 38,941.32

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Solution

The fourth proportional to 61,464.45, 92,179.80 and 38,941.32 is: 58,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,464.45 : 92,179.80 = 38,941.32 : x
  2. Step 2: Convert to fraction form
    61,464.45/92,179.80 = 38,941.32/x
  3. Step 3: Cross multiply
    61,464.45x = 92,179.80 × 38,941.32
  4. Step 4: Simplify right side
    61,464.45x = 3,589,603,089.34
  5. Step 5: Solve for x
    x = 3,589,603,089.34/61,464.45
  6. Step 6: Final answer
    x = 58,401.29

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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.