Home / 33,421.44-50,145.12-13,709.28

Finding the Fourth Proportional to 33,421.44, 50,145.12 and 13,709.28

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Solution

The fourth proportional to 33,421.44, 50,145.12 and 13,709.28 is: 20,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.44 : 50,145.12 = 13,709.28 : x
  2. Step 2: Convert to fraction form
    33,421.44/50,145.12 = 13,709.28/x
  3. Step 3: Cross multiply
    33,421.44x = 50,145.12 × 13,709.28
  4. Step 4: Simplify right side
    33,421.44x = 687,453,490.71
  5. Step 5: Solve for x
    x = 687,453,490.71/33,421.44
  6. Step 6: Final answer
    x = 20,569.24

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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.