Home / 53,869.73-80,798.41-20,589.06

Finding the Fourth Proportional to 53,869.73, 80,798.41 and 20,589.06

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Solution

The fourth proportional to 53,869.73, 80,798.41 and 20,589.06 is: 30,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.73 : 80,798.41 = 20,589.06 : x
  2. Step 2: Convert to fraction form
    53,869.73/80,798.41 = 20,589.06/x
  3. Step 3: Cross multiply
    53,869.73x = 80,798.41 × 20,589.06
  4. Step 4: Simplify right side
    53,869.73x = 1,663,563,311.39
  5. Step 5: Solve for x
    x = 1,663,563,311.39/53,869.73
  6. Step 6: Final answer
    x = 30,881.23

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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.