Home / 54,556.14-75,276.20-31,890.76

Finding the Fourth Proportional to 54,556.14, 75,276.20 and 31,890.76

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Solution

The fourth proportional to 54,556.14, 75,276.20 and 31,890.76 is: 44,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.14 : 75,276.20 = 31,890.76 : x
  2. Step 2: Convert to fraction form
    54,556.14/75,276.20 = 31,890.76/x
  3. Step 3: Cross multiply
    54,556.14x = 75,276.20 × 31,890.76
  4. Step 4: Simplify right side
    54,556.14x = 2,400,615,119.45
  5. Step 5: Solve for x
    x = 2,400,615,119.45/54,556.14
  6. Step 6: Final answer
    x = 44,002.65

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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.