Home / 53,367.12-73,649.46-30,709.56

Finding the Fourth Proportional to 53,367.12, 73,649.46 and 30,709.56

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Solution

The fourth proportional to 53,367.12, 73,649.46 and 30,709.56 is: 42,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367.12 : 73,649.46 = 30,709.56 : x
  2. Step 2: Convert to fraction form
    53,367.12/73,649.46 = 30,709.56/x
  3. Step 3: Cross multiply
    53,367.12x = 73,649.46 × 30,709.56
  4. Step 4: Simplify right side
    53,367.12x = 2,261,742,510.84
  5. Step 5: Solve for x
    x = 2,261,742,510.84/53,367.12
  6. Step 6: Final answer
    x = 42,380.82

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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.