Home / 36,243.59-54,381.03-19,615.35

Finding the Fourth Proportional to 36,243.59, 54,381.03 and 19,615.35

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Solution

The fourth proportional to 36,243.59, 54,381.03 and 19,615.35 is: 29,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243.59 : 54,381.03 = 19,615.35 : x
  2. Step 2: Convert to fraction form
    36,243.59/54,381.03 = 19,615.35/x
  3. Step 3: Cross multiply
    36,243.59x = 54,381.03 × 19,615.35
  4. Step 4: Simplify right side
    36,243.59x = 1,066,702,936.81
  5. Step 5: Solve for x
    x = 1,066,702,936.81/36,243.59
  6. Step 6: Final answer
    x = 29,431.49

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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.