Home / 45,597.76-68,418.30-31,579.36

Finding the Fourth Proportional to 45,597.76, 68,418.30 and 31,579.36

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Solution

The fourth proportional to 45,597.76, 68,418.30 and 31,579.36 is: 47,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,597.76 : 68,418.30 = 31,579.36 : x
  2. Step 2: Convert to fraction form
    45,597.76/68,418.30 = 31,579.36/x
  3. Step 3: Cross multiply
    45,597.76x = 68,418.30 × 31,579.36
  4. Step 4: Simplify right side
    45,597.76x = 2,160,606,126.29
  5. Step 5: Solve for x
    x = 2,160,606,126.29/45,597.76
  6. Step 6: Final answer
    x = 47,384.04

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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.