Home / 23,050.08-31,782.96-20,039.52

Finding the Fourth Proportional to 23,050.08, 31,782.96 and 20,039.52

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Solution

The fourth proportional to 23,050.08, 31,782.96 and 20,039.52 is: 27,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,050.08 : 31,782.96 = 20,039.52 : x
  2. Step 2: Convert to fraction form
    23,050.08/31,782.96 = 20,039.52/x
  3. Step 3: Cross multiply
    23,050.08x = 31,782.96 × 20,039.52
  4. Step 4: Simplify right side
    23,050.08x = 636,915,262.58
  5. Step 5: Solve for x
    x = 636,915,262.58/23,050.08
  6. Step 6: Final answer
    x = 27,631.80

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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.