Home / 36,339.59-54,509.40-11,381.78

Finding the Fourth Proportional to 36,339.59, 54,509.40 and 11,381.78

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Solution

The fourth proportional to 36,339.59, 54,509.40 and 11,381.78 is: 17,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,339.59 : 54,509.40 = 11,381.78 : x
  2. Step 2: Convert to fraction form
    36,339.59/54,509.40 = 11,381.78/x
  3. Step 3: Cross multiply
    36,339.59x = 54,509.40 × 11,381.78
  4. Step 4: Simplify right side
    36,339.59x = 620,413,726.19
  5. Step 5: Solve for x
    x = 620,413,726.19/36,339.59
  6. Step 6: Final answer
    x = 17,072.67

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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.