Home / 45,043.14-67,574.28-13,452.86

Finding the Fourth Proportional to 45,043.14, 67,574.28 and 13,452.86

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Solution

The fourth proportional to 45,043.14, 67,574.28 and 13,452.86 is: 20,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.14 : 67,574.28 = 13,452.86 : x
  2. Step 2: Convert to fraction form
    45,043.14/67,574.28 = 13,452.86/x
  3. Step 3: Cross multiply
    45,043.14x = 67,574.28 × 13,452.86
  4. Step 4: Simplify right side
    45,043.14x = 909,067,328.44
  5. Step 5: Solve for x
    x = 909,067,328.44/45,043.14
  6. Step 6: Final answer
    x = 20,182.15

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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.