Home / 48,442.21-72,663.29-13,381.86

Finding the Fourth Proportional to 48,442.21, 72,663.29 and 13,381.86

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Solution

The fourth proportional to 48,442.21, 72,663.29 and 13,381.86 is: 20,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.21 : 72,663.29 = 13,381.86 : x
  2. Step 2: Convert to fraction form
    48,442.21/72,663.29 = 13,381.86/x
  3. Step 3: Cross multiply
    48,442.21x = 72,663.29 × 13,381.86
  4. Step 4: Simplify right side
    48,442.21x = 972,369,907.01
  5. Step 5: Solve for x
    x = 972,369,907.01/48,442.21
  6. Step 6: Final answer
    x = 20,072.78

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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.