Home / 53,722.34-80,581.08-18,664.76

Finding the Fourth Proportional to 53,722.34, 80,581.08 and 18,664.76

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Solution

The fourth proportional to 53,722.34, 80,581.08 and 18,664.76 is: 27,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.34 : 80,581.08 = 18,664.76 : x
  2. Step 2: Convert to fraction form
    53,722.34/80,581.08 = 18,664.76/x
  3. Step 3: Cross multiply
    53,722.34x = 80,581.08 × 18,664.76
  4. Step 4: Simplify right side
    53,722.34x = 1,504,026,518.74
  5. Step 5: Solve for x
    x = 1,504,026,518.74/53,722.34
  6. Step 6: Final answer
    x = 27,996.30

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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.