Home / 36,605.10-54,798.30-21,806.40

Finding the Fourth Proportional to 36,605.10, 54,798.30 and 21,806.40

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Solution

The fourth proportional to 36,605.10, 54,798.30 and 21,806.40 is: 32,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.10 : 54,798.30 = 21,806.40 : x
  2. Step 2: Convert to fraction form
    36,605.10/54,798.30 = 21,806.40/x
  3. Step 3: Cross multiply
    36,605.10x = 54,798.30 × 21,806.40
  4. Step 4: Simplify right side
    36,605.10x = 1,194,953,649.12
  5. Step 5: Solve for x
    x = 1,194,953,649.12/36,605.10
  6. Step 6: Final answer
    x = 32,644.46

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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.