Home / 38,647.08-57,973.32-12,353.94

Finding the Fourth Proportional to 38,647.08, 57,973.32 and 12,353.94

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Solution

The fourth proportional to 38,647.08, 57,973.32 and 12,353.94 is: 18,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647.08 : 57,973.32 = 12,353.94 : x
  2. Step 2: Convert to fraction form
    38,647.08/57,973.32 = 12,353.94/x
  3. Step 3: Cross multiply
    38,647.08x = 57,973.32 × 12,353.94
  4. Step 4: Simplify right side
    38,647.08x = 716,198,916.88
  5. Step 5: Solve for x
    x = 716,198,916.88/38,647.08
  6. Step 6: Final answer
    x = 18,531.77

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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.