Home / 32,431.39-48,720.29-21,359.70

Finding the Fourth Proportional to 32,431.39, 48,720.29 and 21,359.70

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Solution

The fourth proportional to 32,431.39, 48,720.29 and 21,359.70 is: 32,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.39 : 48,720.29 = 21,359.70 : x
  2. Step 2: Convert to fraction form
    32,431.39/48,720.29 = 21,359.70/x
  3. Step 3: Cross multiply
    32,431.39x = 48,720.29 × 21,359.70
  4. Step 4: Simplify right side
    32,431.39x = 1,040,650,671.51
  5. Step 5: Solve for x
    x = 1,040,650,671.51/32,431.39
  6. Step 6: Final answer
    x = 32,087.76

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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.