Home / 34,579.84-47,721.12-19,471.32

Finding the Fourth Proportional to 34,579.84, 47,721.12 and 19,471.32

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Solution

The fourth proportional to 34,579.84, 47,721.12 and 19,471.32 is: 26,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,579.84 : 47,721.12 = 19,471.32 : x
  2. Step 2: Convert to fraction form
    34,579.84/47,721.12 = 19,471.32/x
  3. Step 3: Cross multiply
    34,579.84x = 47,721.12 × 19,471.32
  4. Step 4: Simplify right side
    34,579.84x = 929,193,198.28
  5. Step 5: Solve for x
    x = 929,193,198.28/34,579.84
  6. Step 6: Final answer
    x = 26,870.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.