Home / 36,780.06-55,120.89-13,384.38

Finding the Fourth Proportional to 36,780.06, 55,120.89 and 13,384.38

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Solution

The fourth proportional to 36,780.06, 55,120.89 and 13,384.38 is: 20,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.06 : 55,120.89 = 13,384.38 : x
  2. Step 2: Convert to fraction form
    36,780.06/55,120.89 = 13,384.38/x
  3. Step 3: Cross multiply
    36,780.06x = 55,120.89 × 13,384.38
  4. Step 4: Simplify right side
    36,780.06x = 737,758,937.70
  5. Step 5: Solve for x
    x = 737,758,937.70/36,780.06
  6. Step 6: Final answer
    x = 20,058.67

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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.