Home / 45,192.30-67,792.50-11,911.92

Finding the Fourth Proportional to 45,192.30, 67,792.50 and 11,911.92

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Solution

The fourth proportional to 45,192.30, 67,792.50 and 11,911.92 is: 17,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,192.30 : 67,792.50 = 11,911.92 : x
  2. Step 2: Convert to fraction form
    45,192.30/67,792.50 = 11,911.92/x
  3. Step 3: Cross multiply
    45,192.30x = 67,792.50 × 11,911.92
  4. Step 4: Simplify right side
    45,192.30x = 807,538,836.60
  5. Step 5: Solve for x
    x = 807,538,836.60/45,192.30
  6. Step 6: Final answer
    x = 17,868.95

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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.