Home / 36,980.58-55,437.75-13,590.66

Finding the Fourth Proportional to 36,980.58, 55,437.75 and 13,590.66

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Solution

The fourth proportional to 36,980.58, 55,437.75 and 13,590.66 is: 20,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.58 : 55,437.75 = 13,590.66 : x
  2. Step 2: Convert to fraction form
    36,980.58/55,437.75 = 13,590.66/x
  3. Step 3: Cross multiply
    36,980.58x = 55,437.75 × 13,590.66
  4. Step 4: Simplify right side
    36,980.58x = 753,435,611.42
  5. Step 5: Solve for x
    x = 753,435,611.42/36,980.58
  6. Step 6: Final answer
    x = 20,373.82

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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.