Home / 38,548.78-57,810.78-12,247.37

Finding the Fourth Proportional to 38,548.78, 57,810.78 and 12,247.37

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Solution

The fourth proportional to 38,548.78, 57,810.78 and 12,247.37 is: 18,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,548.78 : 57,810.78 = 12,247.37 : x
  2. Step 2: Convert to fraction form
    38,548.78/57,810.78 = 12,247.37/x
  3. Step 3: Cross multiply
    38,548.78x = 57,810.78 × 12,247.37
  4. Step 4: Simplify right side
    38,548.78x = 708,030,088.16
  5. Step 5: Solve for x
    x = 708,030,088.16/38,548.78
  6. Step 6: Final answer
    x = 18,367.12

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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.