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Finding the Fourth Proportional to 32,491.32, 44,835.92 and 18,878.16

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Solution

The fourth proportional to 32,491.32, 44,835.92 and 18,878.16 is: 26,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.32 : 44,835.92 = 18,878.16 : x
  2. Step 2: Convert to fraction form
    32,491.32/44,835.92 = 18,878.16/x
  3. Step 3: Cross multiply
    32,491.32x = 44,835.92 × 18,878.16
  4. Step 4: Simplify right side
    32,491.32x = 846,419,577.12
  5. Step 5: Solve for x
    x = 846,419,577.12/32,491.32
  6. Step 6: Final answer
    x = 26,050.64

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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.