Home / 43,490.32-65,257.38-32,419.24

Finding the Fourth Proportional to 43,490.32, 65,257.38 and 32,419.24

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Solution

The fourth proportional to 43,490.32, 65,257.38 and 32,419.24 is: 48,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.32 : 65,257.38 = 32,419.24 : x
  2. Step 2: Convert to fraction form
    43,490.32/65,257.38 = 32,419.24/x
  3. Step 3: Cross multiply
    43,490.32x = 65,257.38 × 32,419.24
  4. Step 4: Simplify right side
    43,490.32x = 2,115,594,663.99
  5. Step 5: Solve for x
    x = 2,115,594,663.99/43,490.32
  6. Step 6: Final answer
    x = 48,645.19

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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.