Home / 36,699.30-55,030.32-15,631.20

Finding the Fourth Proportional to 36,699.30, 55,030.32 and 15,631.20

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Solution

The fourth proportional to 36,699.30, 55,030.32 and 15,631.20 is: 23,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.30 : 55,030.32 = 15,631.20 : x
  2. Step 2: Convert to fraction form
    36,699.30/55,030.32 = 15,631.20/x
  3. Step 3: Cross multiply
    36,699.30x = 55,030.32 × 15,631.20
  4. Step 4: Simplify right side
    36,699.30x = 860,189,937.98
  5. Step 5: Solve for x
    x = 860,189,937.98/36,699.30
  6. Step 6: Final answer
    x = 23,438.86

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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.