Home / 32,621.58-48,916.94-12,640.42

Finding the Fourth Proportional to 32,621.58, 48,916.94 and 12,640.42

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Solution

The fourth proportional to 32,621.58, 48,916.94 and 12,640.42 is: 18,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.58 : 48,916.94 = 12,640.42 : x
  2. Step 2: Convert to fraction form
    32,621.58/48,916.94 = 12,640.42/x
  3. Step 3: Cross multiply
    32,621.58x = 48,916.94 × 12,640.42
  4. Step 4: Simplify right side
    32,621.58x = 618,330,666.71
  5. Step 5: Solve for x
    x = 618,330,666.71/32,621.58
  6. Step 6: Final answer
    x = 18,954.65

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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.