Home / 43,801.08-65,671.64-15,720.50

Finding the Fourth Proportional to 43,801.08, 65,671.64 and 15,720.50

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Solution

The fourth proportional to 43,801.08, 65,671.64 and 15,720.50 is: 23,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,801.08 : 65,671.64 = 15,720.50 : x
  2. Step 2: Convert to fraction form
    43,801.08/65,671.64 = 15,720.50/x
  3. Step 3: Cross multiply
    43,801.08x = 65,671.64 × 15,720.50
  4. Step 4: Simplify right side
    43,801.08x = 1,032,391,016.62
  5. Step 5: Solve for x
    x = 1,032,391,016.62/43,801.08
  6. Step 6: Final answer
    x = 23,569.99

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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.