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Finding the Fourth Proportional to 29,740.12, 44,616.78 and 8,962.12

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Solution

The fourth proportional to 29,740.12, 44,616.78 and 8,962.12 is: 13,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,740.12 : 44,616.78 = 8,962.12 : x
  2. Step 2: Convert to fraction form
    29,740.12/44,616.78 = 8,962.12/x
  3. Step 3: Cross multiply
    29,740.12x = 44,616.78 × 8,962.12
  4. Step 4: Simplify right side
    29,740.12x = 399,860,936.37
  5. Step 5: Solve for x
    x = 399,860,936.37/29,740.12
  6. Step 6: Final answer
    x = 13,445.17

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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.