Home / 32,709.24-45,144.66-19,279.72

Finding the Fourth Proportional to 32,709.24, 45,144.66 and 19,279.72

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Solution

The fourth proportional to 32,709.24, 45,144.66 and 19,279.72 is: 26,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.24 : 45,144.66 = 19,279.72 : x
  2. Step 2: Convert to fraction form
    32,709.24/45,144.66 = 19,279.72/x
  3. Step 3: Cross multiply
    32,709.24x = 45,144.66 × 19,279.72
  4. Step 4: Simplify right side
    32,709.24x = 870,376,404.30
  5. Step 5: Solve for x
    x = 870,376,404.30/32,709.24
  6. Step 6: Final answer
    x = 26,609.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.