Home / 53,446.48-80,168.88-18,386.44

Finding the Fourth Proportional to 53,446.48, 80,168.88 and 18,386.44

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Solution

The fourth proportional to 53,446.48, 80,168.88 and 18,386.44 is: 27,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,446.48 : 80,168.88 = 18,386.44 : x
  2. Step 2: Convert to fraction form
    53,446.48/80,168.88 = 18,386.44/x
  3. Step 3: Cross multiply
    53,446.48x = 80,168.88 × 18,386.44
  4. Step 4: Simplify right side
    53,446.48x = 1,474,020,301.99
  5. Step 5: Solve for x
    x = 1,474,020,301.99/53,446.48
  6. Step 6: Final answer
    x = 27,579.37

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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.