Home / 45,916.13-68,862.84-12,634.58

Finding the Fourth Proportional to 45,916.13, 68,862.84 and 12,634.58

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Solution

The fourth proportional to 45,916.13, 68,862.84 and 12,634.58 is: 18,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.13 : 68,862.84 = 12,634.58 : x
  2. Step 2: Convert to fraction form
    45,916.13/68,862.84 = 12,634.58/x
  3. Step 3: Cross multiply
    45,916.13x = 68,862.84 × 12,634.58
  4. Step 4: Simplify right side
    45,916.13x = 870,053,061.01
  5. Step 5: Solve for x
    x = 870,053,061.01/45,916.13
  6. Step 6: Final answer
    x = 18,948.75

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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.