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Finding the Fourth Proportional to 29,412.13, 44,118.12 and 8,352.20

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Solution

The fourth proportional to 29,412.13, 44,118.12 and 8,352.20 is: 12,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,412.13 : 44,118.12 = 8,352.20 : x
  2. Step 2: Convert to fraction form
    29,412.13/44,118.12 = 8,352.20/x
  3. Step 3: Cross multiply
    29,412.13x = 44,118.12 × 8,352.20
  4. Step 4: Simplify right side
    29,412.13x = 368,483,361.86
  5. Step 5: Solve for x
    x = 368,483,361.86/29,412.13
  6. Step 6: Final answer
    x = 12,528.28

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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.