Home / 45,292.43-67,922.48-18,630.63

Finding the Fourth Proportional to 45,292.43, 67,922.48 and 18,630.63

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Solution

The fourth proportional to 45,292.43, 67,922.48 and 18,630.63 is: 27,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,292.43 : 67,922.48 = 18,630.63 : x
  2. Step 2: Convert to fraction form
    45,292.43/67,922.48 = 18,630.63/x
  3. Step 3: Cross multiply
    45,292.43x = 67,922.48 × 18,630.63
  4. Step 4: Simplify right side
    45,292.43x = 1,265,438,640.14
  5. Step 5: Solve for x
    x = 1,265,438,640.14/45,292.43
  6. Step 6: Final answer
    x = 27,939.30

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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.