Home / 52,620.12-78,927.60-19,337.64

Finding the Fourth Proportional to 52,620.12, 78,927.60 and 19,337.64

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Solution

The fourth proportional to 52,620.12, 78,927.60 and 19,337.64 is: 29,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,620.12 : 78,927.60 = 19,337.64 : x
  2. Step 2: Convert to fraction form
    52,620.12/78,927.60 = 19,337.64/x
  3. Step 3: Cross multiply
    52,620.12x = 78,927.60 × 19,337.64
  4. Step 4: Simplify right side
    52,620.12x = 1,526,273,514.86
  5. Step 5: Solve for x
    x = 1,526,273,514.86/52,620.12
  6. Step 6: Final answer
    x = 29,005.51

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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.