Home / 43,546.31-65,208.67-28,710.21

Finding the Fourth Proportional to 43,546.31, 65,208.67 and 28,710.21

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Solution

The fourth proportional to 43,546.31, 65,208.67 and 28,710.21 is: 42,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546.31 : 65,208.67 = 28,710.21 : x
  2. Step 2: Convert to fraction form
    43,546.31/65,208.67 = 28,710.21/x
  3. Step 3: Cross multiply
    43,546.31x = 65,208.67 × 28,710.21
  4. Step 4: Simplify right side
    43,546.31x = 1,872,154,537.75
  5. Step 5: Solve for x
    x = 1,872,154,537.75/43,546.31
  6. Step 6: Final answer
    x = 42,992.27

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1.5x scale

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.