Home / 45,248.51-67,895.37-20,306.39

Finding the Fourth Proportional to 45,248.51, 67,895.37 and 20,306.39

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Solution

The fourth proportional to 45,248.51, 67,895.37 and 20,306.39 is: 30,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.51 : 67,895.37 = 20,306.39 : x
  2. Step 2: Convert to fraction form
    45,248.51/67,895.37 = 20,306.39/x
  3. Step 3: Cross multiply
    45,248.51x = 67,895.37 × 20,306.39
  4. Step 4: Simplify right side
    45,248.51x = 1,378,709,522.94
  5. Step 5: Solve for x
    x = 1,378,709,522.94/45,248.51
  6. Step 6: Final answer
    x = 30,469.73

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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.