Home / 32,907.28-45,400.80-18,749.92

Finding the Fourth Proportional to 32,907.28, 45,400.80 and 18,749.92

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Solution

The fourth proportional to 32,907.28, 45,400.80 and 18,749.92 is: 25,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,907.28 : 45,400.80 = 18,749.92 : x
  2. Step 2: Convert to fraction form
    32,907.28/45,400.80 = 18,749.92/x
  3. Step 3: Cross multiply
    32,907.28x = 45,400.80 × 18,749.92
  4. Step 4: Simplify right side
    32,907.28x = 851,261,367.94
  5. Step 5: Solve for x
    x = 851,261,367.94/32,907.28
  6. Step 6: Final answer
    x = 25,868.48

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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.