Home / 53,338.20-80,011.20-18,277.56

Finding the Fourth Proportional to 53,338.20, 80,011.20 and 18,277.56

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Solution

The fourth proportional to 53,338.20, 80,011.20 and 18,277.56 is: 27,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,338.20 : 80,011.20 = 18,277.56 : x
  2. Step 2: Convert to fraction form
    53,338.20/80,011.20 = 18,277.56/x
  3. Step 3: Cross multiply
    53,338.20x = 80,011.20 × 18,277.56
  4. Step 4: Simplify right side
    53,338.20x = 1,462,409,508.67
  5. Step 5: Solve for x
    x = 1,462,409,508.67/53,338.20
  6. Step 6: Final answer
    x = 27,417.68

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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.