Home / 45,721.40-68,581.60-34,695.80

Finding the Fourth Proportional to 45,721.40, 68,581.60 and 34,695.80

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Solution

The fourth proportional to 45,721.40, 68,581.60 and 34,695.80 is: 52,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721.40 : 68,581.60 = 34,695.80 : x
  2. Step 2: Convert to fraction form
    45,721.40/68,581.60 = 34,695.80/x
  3. Step 3: Cross multiply
    45,721.40x = 68,581.60 × 34,695.80
  4. Step 4: Simplify right side
    45,721.40x = 2,379,493,477.28
  5. Step 5: Solve for x
    x = 2,379,493,477.28/45,721.40
  6. Step 6: Final answer
    x = 52,043.32

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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.