Home / 34,690.31-47,872.64-18,774.77

Finding the Fourth Proportional to 34,690.31, 47,872.64 and 18,774.77

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Solution

The fourth proportional to 34,690.31, 47,872.64 and 18,774.77 is: 25,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.31 : 47,872.64 = 18,774.77 : x
  2. Step 2: Convert to fraction form
    34,690.31/47,872.64 = 18,774.77/x
  3. Step 3: Cross multiply
    34,690.31x = 47,872.64 × 18,774.77
  4. Step 4: Simplify right side
    34,690.31x = 898,797,472.06
  5. Step 5: Solve for x
    x = 898,797,472.06/34,690.31
  6. Step 6: Final answer
    x = 25,909.18

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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.