Home / 45,799.86-68,717.09-17,721.60

Finding the Fourth Proportional to 45,799.86, 68,717.09 and 17,721.60

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Solution

The fourth proportional to 45,799.86, 68,717.09 and 17,721.60 is: 26,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,799.86 : 68,717.09 = 17,721.60 : x
  2. Step 2: Convert to fraction form
    45,799.86/68,717.09 = 17,721.60/x
  3. Step 3: Cross multiply
    45,799.86x = 68,717.09 × 17,721.60
  4. Step 4: Simplify right side
    45,799.86x = 1,217,776,826.45
  5. Step 5: Solve for x
    x = 1,217,776,826.45/45,799.86
  6. Step 6: Final answer
    x = 26,589.09

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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.