Home / 45,916.92-68,868.90-14,748.12

Finding the Fourth Proportional to 45,916.92, 68,868.90 and 14,748.12

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Solution

The fourth proportional to 45,916.92, 68,868.90 and 14,748.12 is: 22,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.92 : 68,868.90 = 14,748.12 : x
  2. Step 2: Convert to fraction form
    45,916.92/68,868.90 = 14,748.12/x
  3. Step 3: Cross multiply
    45,916.92x = 68,868.90 × 14,748.12
  4. Step 4: Simplify right side
    45,916.92x = 1,015,686,801.47
  5. Step 5: Solve for x
    x = 1,015,686,801.47/45,916.92
  6. Step 6: Final answer
    x = 22,120.10

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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.