Home / 37,917.24-52,322.84-20,922.12

Finding the Fourth Proportional to 37,917.24, 52,322.84 and 20,922.12

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Solution

The fourth proportional to 37,917.24, 52,322.84 and 20,922.12 is: 28,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,917.24 : 52,322.84 = 20,922.12 : x
  2. Step 2: Convert to fraction form
    37,917.24/52,322.84 = 20,922.12/x
  3. Step 3: Cross multiply
    37,917.24x = 52,322.84 × 20,922.12
  4. Step 4: Simplify right side
    37,917.24x = 1,094,704,632.61
  5. Step 5: Solve for x
    x = 1,094,704,632.61/37,917.24
  6. Step 6: Final answer
    x = 28,870.89

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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.