Home / 34,869.15-48,118.86-18,954

Finding the Fourth Proportional to 34,869.15, 48,118.86 and 18,954

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Solution

The fourth proportional to 34,869.15, 48,118.86 and 18,954 is: 26,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.15 : 48,118.86 = 18,954 : x
  2. Step 2: Convert to fraction form
    34,869.15/48,118.86 = 18,954/x
  3. Step 3: Cross multiply
    34,869.15x = 48,118.86 × 18,954
  4. Step 4: Simplify right side
    34,869.15x = 912,044,872.44
  5. Step 5: Solve for x
    x = 912,044,872.44/34,869.15
  6. Step 6: Final answer
    x = 26,156.21

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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.