Home / 43,671.05-65,520.42-15,590.50

Finding the Fourth Proportional to 43,671.05, 65,520.42 and 15,590.50

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Solution

The fourth proportional to 43,671.05, 65,520.42 and 15,590.50 is: 23,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,671.05 : 65,520.42 = 15,590.50 : x
  2. Step 2: Convert to fraction form
    43,671.05/65,520.42 = 15,590.50/x
  3. Step 3: Cross multiply
    43,671.05x = 65,520.42 × 15,590.50
  4. Step 4: Simplify right side
    43,671.05x = 1,021,496,108.01
  5. Step 5: Solve for x
    x = 1,021,496,108.01/43,671.05
  6. Step 6: Final answer
    x = 23,390.69

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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.