Home / 36,813.08-55,221.46-10,521.70

Finding the Fourth Proportional to 36,813.08, 55,221.46 and 10,521.70

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Solution

The fourth proportional to 36,813.08, 55,221.46 and 10,521.70 is: 15,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813.08 : 55,221.46 = 10,521.70 : x
  2. Step 2: Convert to fraction form
    36,813.08/55,221.46 = 10,521.70/x
  3. Step 3: Cross multiply
    36,813.08x = 55,221.46 × 10,521.70
  4. Step 4: Simplify right side
    36,813.08x = 581,023,635.68
  5. Step 5: Solve for x
    x = 581,023,635.68/36,813.08
  6. Step 6: Final answer
    x = 15,783.08

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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.