Home / 36,074.16-49,779.36-20,967.12

Finding the Fourth Proportional to 36,074.16, 49,779.36 and 20,967.12

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Solution

The fourth proportional to 36,074.16, 49,779.36 and 20,967.12 is: 28,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.16 : 49,779.36 = 20,967.12 : x
  2. Step 2: Convert to fraction form
    36,074.16/49,779.36 = 20,967.12/x
  3. Step 3: Cross multiply
    36,074.16x = 49,779.36 × 20,967.12
  4. Step 4: Simplify right side
    36,074.16x = 1,043,729,814.64
  5. Step 5: Solve for x
    x = 1,043,729,814.64/36,074.16
  6. Step 6: Final answer
    x = 28,932.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.