Home / 43,109.26-64,654.50-13,523.20

Finding the Fourth Proportional to 43,109.26, 64,654.50 and 13,523.20

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Solution

The fourth proportional to 43,109.26, 64,654.50 and 13,523.20 is: 20,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,109.26 : 64,654.50 = 13,523.20 : x
  2. Step 2: Convert to fraction form
    43,109.26/64,654.50 = 13,523.20/x
  3. Step 3: Cross multiply
    43,109.26x = 64,654.50 × 13,523.20
  4. Step 4: Simplify right side
    43,109.26x = 874,335,734.40
  5. Step 5: Solve for x
    x = 874,335,734.40/43,109.26
  6. Step 6: Final answer
    x = 20,281.85

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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.