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Finding the Fourth Proportional to 36,938.06, 55,407.10 and 9,236.06

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Solution

The fourth proportional to 36,938.06, 55,407.10 and 9,236.06 is: 13,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,938.06 : 55,407.10 = 9,236.06 : x
  2. Step 2: Convert to fraction form
    36,938.06/55,407.10 = 9,236.06/x
  3. Step 3: Cross multiply
    36,938.06x = 55,407.10 × 9,236.06
  4. Step 4: Simplify right side
    36,938.06x = 511,743,300.03
  5. Step 5: Solve for x
    x = 511,743,300.03/36,938.06
  6. Step 6: Final answer
    x = 13,854.09

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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.