Home / 33,011.15-49,516.18-13,289.20

Finding the Fourth Proportional to 33,011.15, 49,516.18 and 13,289.20

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Solution

The fourth proportional to 33,011.15, 49,516.18 and 13,289.20 is: 19,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.15 : 49,516.18 = 13,289.20 : x
  2. Step 2: Convert to fraction form
    33,011.15/49,516.18 = 13,289.20/x
  3. Step 3: Cross multiply
    33,011.15x = 49,516.18 × 13,289.20
  4. Step 4: Simplify right side
    33,011.15x = 658,030,262.24
  5. Step 5: Solve for x
    x = 658,030,262.24/33,011.15
  6. Step 6: Final answer
    x = 19,933.58

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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.