Home / 45,237.49-67,834.66-20,277.75

Finding the Fourth Proportional to 45,237.49, 67,834.66 and 20,277.75

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Solution

The fourth proportional to 45,237.49, 67,834.66 and 20,277.75 is: 30,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,237.49 : 67,834.66 = 20,277.75 : x
  2. Step 2: Convert to fraction form
    45,237.49/67,834.66 = 20,277.75/x
  3. Step 3: Cross multiply
    45,237.49x = 67,834.66 × 20,277.75
  4. Step 4: Simplify right side
    45,237.49x = 1,375,534,276.82
  5. Step 5: Solve for x
    x = 1,375,534,276.82/45,237.49
  6. Step 6: Final answer
    x = 30,406.95

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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.