Home / 36,810.30-55,215.45-9,108.30

Finding the Fourth Proportional to 36,810.30, 55,215.45 and 9,108.30

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Solution

The fourth proportional to 36,810.30, 55,215.45 and 9,108.30 is: 13,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.30 : 55,215.45 = 9,108.30 : x
  2. Step 2: Convert to fraction form
    36,810.30/55,215.45 = 9,108.30/x
  3. Step 3: Cross multiply
    36,810.30x = 55,215.45 × 9,108.30
  4. Step 4: Simplify right side
    36,810.30x = 502,918,883.24
  5. Step 5: Solve for x
    x = 502,918,883.24/36,810.30
  6. Step 6: Final answer
    x = 13,662.45

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Similar ratio
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1.5x scale

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.